[bindings] Translate all assignments in bindings/templates to use Local<> in place of Handle<>.

Source/bindings/tests/results/core/V8TestObject.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestObject.h"
 
 #include "bindings/core/v8/BindingSecurity.h"
@@ skipping 80 matching lines @@
 static void MEASURED_CONSTANTConstantGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     UseCounter::countIfNotPrivateScript(info.GetIsolate(), callingExecutionContext(info.GetIsolate()), UseCounter::Constant);
     v8SetReturnValueInt(info, 1);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringifierAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->stringifierAttribute(), info.GetIsolate());
 }
 
 static void stringifierAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::stringifierAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringifierAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setStringifierAttribute(cppValue);
 }
 
 static void stringifierAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::stringifierAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void readonlyStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->readonlyStringAttribute(), info.GetIsolate());
 }
 
 static void readonlyStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::readonlyStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void readonlyTestInterfaceEmptyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     RefPtr<TestInterfaceEmpty> cppValue(impl->readonlyTestInterfaceEmptyAttribute());
     if (cppValue && DOMDataStore::setReturnValue(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Handle<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
+    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "readonlyTestInterfaceEmptyAttribute"), wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void readonlyTestInterfaceEmptyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::readonlyTestInterfaceEmptyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void readonlyLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->readonlyLongAttribute());
 }
 
 static void readonlyLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::readonlyLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void dateAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, v8DateOrNaN(impl->dateAttribute(), info.GetIsolate()));
 }
 
 static void dateAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::dateAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void dateAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     double cppValue = toCoreDate(v8Value);
     impl->setDateAttribute(cppValue);
 }
 
 static void dateAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::dateAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->stringAttribute(), info.GetIsolate());
 }
 
 static void stringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::stringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setStringAttribute(cppValue);
 }
 
 static void stringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::stringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void byteStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->byteStringAttribute(), info.GetIsolate());
 }
 
 static void byteStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::byteStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void byteStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "byteStringAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(V8StringResource<>, cppValue, toByteString(v8Value, exceptionState), exceptionState);
     impl->setByteStringAttribute(cppValue);
 }
 
 static void byteStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::byteStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void usvStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->usvStringAttribute(), info.GetIsolate());
 }
 
 static void usvStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::usvStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void usvStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "usvStringAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(V8StringResource<>, cppValue, toUSVString(v8Value, exceptionState), exceptionState);
     impl->setUsvStringAttribute(cppValue);
 }
 
 static void usvStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::usvStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void domTimeStampAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, static_cast<double>(impl->domTimeStampAttribute()));
 }
 
 static void domTimeStampAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::domTimeStampAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void domTimeStampAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "domTimeStampAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(unsigned long long, cppValue, toUInt64(v8Value, exceptionState), exceptionState);
     impl->setDomTimeStampAttribute(cppValue);
 }
 
 static void domTimeStampAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::domTimeStampAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void booleanAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueBool(info, impl->booleanAttribute());
 }
 
 static void booleanAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::booleanAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void booleanAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     bool cppValue = v8Value->BooleanValue();
     impl->setBooleanAttribute(cppValue);
 }
 
 static void booleanAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::booleanAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void byteAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->byteAttribute());
 }
 
 static void byteAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::byteAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void byteAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "byteAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt8(v8Value, exceptionState), exceptionState);
     impl->setByteAttribute(cppValue);
 }
 
 static void byteAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::byteAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->doubleAttribute());
 }
 
 static void doubleAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::doubleAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "doubleAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(double, cppValue, toDouble(v8Value, exceptionState), exceptionState);
     impl->setDoubleAttribute(cppValue);
 }
 
 static void doubleAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::doubleAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->floatAttribute());
 }
 
 static void floatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::floatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "floatAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toFloat(v8Value, exceptionState), exceptionState);
     impl->setFloatAttribute(cppValue);
 }
 
 static void floatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::floatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void longAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->longAttribute());
 }
 
 static void longAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::longAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void longAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "longAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setLongAttribute(cppValue);
 }
 
 static void longAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::longAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void longLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, static_cast<double>(impl->longLongAttribute()));
 }
 
 static void longLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::longLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void longLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "longLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(long long, cppValue, toInt64(v8Value, exceptionState), exceptionState);
     impl->setLongLongAttribute(cppValue);
 }
 
 static void longLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::longLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void octetAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueUnsigned(info, impl->octetAttribute());
 }
 
 static void octetAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::octetAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void octetAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "octetAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(unsigned, cppValue, toUInt8(v8Value, exceptionState), exceptionState);
     impl->setOctetAttribute(cppValue);
 }
 
 static void octetAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::octetAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void shortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->shortAttribute());
 }
 
 static void shortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::shortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void shortAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "shortAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt16(v8Value, exceptionState), exceptionState);
     impl->setShortAttribute(cppValue);
 }
 
 static void shortAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::shortAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedDoubleAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->unrestrictedDoubleAttribute());
 }
 
 static void unrestrictedDoubleAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unrestrictedDoubleAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedDoubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedDoubleAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(double, cppValue, toDouble(v8Value, exceptionState), exceptionState);
     impl->setUnrestrictedDoubleAttribute(cppValue);
 }
 
 static void unrestrictedDoubleAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unrestrictedDoubleAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedFloatAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->unrestrictedFloatAttribute());
 }
 
 static void unrestrictedFloatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unrestrictedFloatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedFloatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedFloatAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toFloat(v8Value, exceptionState), exceptionState);
     impl->setUnrestrictedFloatAttribute(cppValue);
 }
 
 static void unrestrictedFloatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unrestrictedFloatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unsignedLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueUnsigned(info, impl->unsignedLongAttribute());
 }
 
 static void unsignedLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unsignedLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unsignedLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(unsigned, cppValue, toUInt32(v8Value, exceptionState), exceptionState);
     impl->setUnsignedLongAttribute(cppValue);
 }
 
 static void unsignedLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unsignedLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unsignedLongLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, static_cast<double>(impl->unsignedLongLongAttribute()));
 }
 
 static void unsignedLongLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unsignedLongLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unsignedLongLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedLongLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(unsigned long long, cppValue, toUInt64(v8Value, exceptionState), exceptionState);
     impl->setUnsignedLongLongAttribute(cppValue);
 }
 
 static void unsignedLongLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unsignedLongLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unsignedShortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueUnsigned(info, impl->unsignedShortAttribute());
 }
 
 static void unsignedShortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unsignedShortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unsignedShortAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedShortAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(unsigned, cppValue, toUInt16(v8Value, exceptionState), exceptionState);
     impl->setUnsignedShortAttribute(cppValue);
 }
 
 static void unsignedShortAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unsignedShortAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceEmptyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testInterfaceEmptyAttribute()), impl);
 }
 
 static void testInterfaceEmptyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceEmptyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceEmptyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceEmpty* cppValue = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestInterfaceEmptyAttribute(WTF::getPtr(cppValue));
 }
 
 static void testInterfaceEmptyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceEmptyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testObjectAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testObjectAttribute()), impl);
 }
 
 static void testObjectAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testObjectAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testObjectAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestObject* cppValue = V8TestObject::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestObjectAttribute(WTF::getPtr(cppValue));
 }
 
 static void testObjectAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testObjectAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void voidCallbackFunctionAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->voidCallbackFunctionAttribute().v8Value());
 }
 
 static void voidCallbackFunctionAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::voidCallbackFunctionAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void voidCallbackFunctionAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     impl->setVoidCallbackFunctionAttribute(cppValue);
 }
 
 static void voidCallbackFunctionAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::voidCallbackFunctionAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void anyCallbackFunctionOptionalAnyArgAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->anyCallbackFunctionOptionalAnyArgAttribute().v8Value());
 }
 
 static void anyCallbackFunctionOptionalAnyArgAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::anyCallbackFunctionOptionalAnyArgAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void anyCallbackFunctionOptionalAnyArgAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     impl->setAnyCallbackFunctionOptionalAnyArgAttribute(cppValue);
 }
 
 static void anyCallbackFunctionOptionalAnyArgAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::anyCallbackFunctionOptionalAnyArgAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cssAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->cssAttribute());
 }
 
 static void cssAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::cssAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cssAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "cssAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setCSSAttribute(cppValue);
 }
 
 static void cssAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::cssAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void imeAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->imeAttribute());
 }
 
 static void imeAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::imeAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void imeAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "imeAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setIMEAttribute(cppValue);
 }
 
 static void imeAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::imeAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void svgAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->svgAttribute());
 }
 
 static void svgAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::svgAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void svgAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "svgAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setSVGAttribute(cppValue);
 }
 
 static void svgAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::svgAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void xmlAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->xmlAttribute());
 }
 
 static void xmlAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::xmlAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void xmlAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "xmlAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setXMLAttribute(cppValue);
 }
 
 static void xmlAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::xmlAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nodeFilterAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->nodeFilterAttribute()), impl);
 }
 
 static void nodeFilterAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::nodeFilterAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nodeFilterAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<NodeFilter> cppValue = toNodeFilter(v8Value, info.Holder(), ScriptState::current(info.GetIsolate()));
     impl->setNodeFilterAttribute(WTF::getPtr(cppValue));
 }
 
 static void nodeFilterAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::nodeFilterAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void serializedScriptValueAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->serializedScriptValueAttribute() ? impl->serializedScriptValueAttribute()->deserialize() : v8::Handle<v8::Value>(v8::Null(info.GetIsolate())));
 }
 
 static void serializedScriptValueAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::serializedScriptValueAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void serializedScriptValueAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "serializedScriptValueAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(RefPtr<SerializedScriptValue>, cppValue, SerializedScriptValueFactory::instance().create(v8Value, 0, 0, exceptionState, info.GetIsolate()), exceptionState);
     impl->setSerializedScriptValueAttribute(WTF::getPtr(cppValue));
 }
 
 static void serializedScriptValueAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::serializedScriptValueAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void anyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->anyAttribute().v8Value());
 }
 
 static void anyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::anyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void anyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     impl->setAnyAttribute(cppValue);
 }
 
 static void anyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::anyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void promiseAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->promiseAttribute().v8Value());
 }
 
 static void promiseAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::promiseAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void promiseAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptPromise cppValue = ScriptPromise::cast(ScriptState::current(info.GetIsolate()), v8Value);
     impl->setPromiseAttribute(cppValue);
 }
 
 static void promiseAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::promiseAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void windowAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->windowAttribute()), impl);
 }
 
 static void windowAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::windowAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void windowAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DOMWindow* cppValue = toDOMWindow(info.GetIsolate(), v8Value);
     impl->setWindowAttribute(WTF::getPtr(cppValue));
 }
 
 static void windowAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::windowAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void documentAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->documentAttribute()), impl);
 }
 
 static void documentAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::documentAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void documentAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     Document* cppValue = V8Document::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setDocumentAttribute(WTF::getPtr(cppValue));
 }
 
 static void documentAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::documentAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void documentFragmentAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->documentFragmentAttribute()), impl);
 }
 
 static void documentFragmentAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::documentFragmentAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void documentFragmentAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DocumentFragment* cppValue = V8DocumentFragment::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setDocumentFragmentAttribute(WTF::getPtr(cppValue));
 }
 
 static void documentFragmentAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::documentFragmentAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void documentTypeAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->documentTypeAttribute()), impl);
 }
 
 static void documentTypeAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::documentTypeAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void documentTypeAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DocumentType* cppValue = V8DocumentType::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setDocumentTypeAttribute(WTF::getPtr(cppValue));
 }
 
 static void documentTypeAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::documentTypeAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void elementAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->elementAttribute()), impl);
 }
 
 static void elementAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::elementAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void elementAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     Element* cppValue = V8Element::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setElementAttribute(WTF::getPtr(cppValue));
 }
 
 static void elementAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::elementAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nodeAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->nodeAttribute()), impl);
 }
 
 static void nodeAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::nodeAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nodeAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     Node* cppValue = V8Node::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setNodeAttribute(WTF::getPtr(cppValue));
 }
 
 static void nodeAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::nodeAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void shadowRootAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->shadowRootAttribute()), impl);
 }
 
 static void shadowRootAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::shadowRootAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void shadowRootAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ShadowRoot* cppValue = V8ShadowRoot::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setShadowRootAttribute(WTF::getPtr(cppValue));
 }
 
 static void shadowRootAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::shadowRootAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void arrayBufferAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->arrayBufferAttribute()), impl);
 }
 
 static void arrayBufferAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::arrayBufferAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void arrayBufferAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestArrayBuffer* cppValue = v8Value->IsArrayBuffer() ? V8ArrayBuffer::toImpl(v8::Handle<v8::ArrayBuffer>::Cast(v8Value)) : 0;
     impl->setArrayBufferAttribute(WTF::getPtr(cppValue));
 }
 
 static void arrayBufferAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::arrayBufferAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void float32ArrayAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->float32ArrayAttribute()), impl);
 }
 
 static void float32ArrayAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::float32ArrayAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void float32ArrayAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DOMFloat32Array* cppValue = v8Value->IsFloat32Array() ? V8Float32Array::toImpl(v8::Handle<v8::Float32Array>::Cast(v8Value)) : 0;
     impl->setFloat32ArrayAttribute(WTF::getPtr(cppValue));
 }
 
 static void float32ArrayAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::float32ArrayAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void uint8ArrayAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->uint8ArrayAttribute()), impl);
 }
 
 static void uint8ArrayAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::uint8ArrayAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void uint8ArrayAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DOMUint8Array* cppValue = v8Value->IsUint8Array() ? V8Uint8Array::toImpl(v8::Handle<v8::Uint8Array>::Cast(v8Value)) : 0;
     impl->setUint8ArrayAttribute(WTF::getPtr(cppValue));
 }
 
 static void uint8ArrayAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::uint8ArrayAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void selfAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->self()), impl);
 }
 
 static void selfAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::selfAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void readonlyEventTargetAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->readonlyEventTargetAttribute()), impl);
 }
 
 static void readonlyEventTargetAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::readonlyEventTargetAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void readonlyEventTargetOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->readonlyEventTargetOrNullAttribute()), impl);
 }
 
 static void readonlyEventTargetOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::readonlyEventTargetOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void readonlyWindowAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->readonlyWindowAttribute()), impl);
 }
 
 static void readonlyWindowAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::readonlyWindowAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void htmlCollectionAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->htmlCollectionAttribute()), impl);
 }
 
 static void htmlCollectionAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::htmlCollectionAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void htmlElementAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->htmlElementAttribute()), impl);
 }
 
 static void htmlElementAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::htmlElementAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringArrayAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, toV8(impl->stringArrayAttribute(), info.Holder(), info.GetIsolate()));
 }
 
 static void stringArrayAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::stringArrayAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringArrayAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "stringArrayAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(Vector<String>, cppValue, toImplArray<String>(v8Value, 0, info.GetIsolate(), exceptionState), exceptionState);
     impl->setStringArrayAttribute(cppValue);
 }
 
 static void stringArrayAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::stringArrayAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceEmptyArrayAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, toV8(impl->testInterfaceEmptyArrayAttribute(), info.Holder(), info.GetIsolate()));
 }
 
 static void testInterfaceEmptyArrayAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceEmptyArrayAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceEmptyArrayAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "testInterfaceEmptyArrayAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(Vector<RefPtr<TestInterfaceEmpty> >, cppValue, (toRefPtrNativeArray<TestInterfaceEmpty, V8TestInterfaceEmpty>(v8Value, 0, info.GetIsolate(), exceptionState)), exceptionState);
     impl->setTestInterfaceEmptyArrayAttribute(cppValue);
 }
 
 static void testInterfaceEmptyArrayAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceEmptyArrayAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatArrayAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, toV8(impl->floatArrayAttribute(), info.Holder(), info.GetIsolate()));
 }
 
 static void floatArrayAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::floatArrayAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatArrayAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "floatArrayAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(Vector<float>, cppValue, toImplArray<float>(v8Value, 0, info.GetIsolate(), exceptionState), exceptionState);
     impl->setFloatArrayAttribute(cppValue);
 }
 
 static void floatArrayAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::floatArrayAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueStringOrNull(info, impl->stringOrNullAttribute(), info.GetIsolate());
 }
 
 static void stringOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::stringOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringOrNullAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, cppValue, v8Value);
     impl->setStringOrNullAttribute(cppValue);
 }
 
 static void stringOrNullAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::stringOrNullAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void longOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     bool isNull = false;
     int cppValue(impl->longOrNullAttribute(isNull));
     if (isNull) {
         v8SetReturnValueNull(info);
         return;
     }
     v8SetReturnValueInt(info, cppValue);
 }
 
 static void longOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::longOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void longOrNullAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "longOrNullAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setLongOrNullAttribute(cppValue);
 }
 
 static void longOrNullAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::longOrNullAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testInterfaceOrNullAttribute()), impl);
 }
 
 static void testInterfaceOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceOrNullAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestInterfaceOrNullAttribute(WTF::getPtr(cppValue));
 }
 
 static void testInterfaceOrNullAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceOrNullAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testEnumAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->testEnumAttribute(), info.GetIsolate());
 }
 
 static void testEnumAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testEnumAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testEnumAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     String string = cppValue;
     if (!(string == "" || string == "EnumValue1" || string == "EnumValue2" || string == "EnumValue3"))
         return;
     impl->setTestEnumAttribute(cppValue);
 }
 
 static void testEnumAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
@@ skipping 48 matching lines @@
 
 static void staticLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::staticLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void eventHandlerAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     EventListener* cppValue(impl->eventHandlerAttribute());
     v8SetReturnValue(info, cppValue ? v8::Handle<v8::Value>(V8AbstractEventListener::cast(cppValue)->getListenerObject(impl->executionContext())) : v8::Handle<v8::Value>(v8::Null(info.GetIsolate())));
 }
 
 static void eventHandlerAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::eventHandlerAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void eventHandlerAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     moveEventListenerToNewWrapper(info.GetIsolate(), holder, impl->eventHandlerAttribute(), v8Value, V8TestObject::eventListenerCacheIndex);
     impl->setEventHandlerAttribute(V8EventListenerList::getEventListener(ScriptState::current(info.GetIsolate()), v8Value, true, ListenerFindOrCreate));
 }
 
 static void eventHandlerAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::eventHandlerAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleOrStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DoubleOrString result;
     impl->doubleOrStringAttribute(result);
     v8SetReturnValue(info, result);
 }
 
 static void doubleOrStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::doubleOrStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleOrStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "doubleOrStringAttribute", "TestObject", holder, info.GetIsolate());
     DoubleOrString cppValue;
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(V8DoubleOrString::toImpl(info.GetIsolate(), v8Value, cppValue, exceptionState), exceptionState);
     impl->setDoubleOrStringAttribute(cppValue);
 }
 
 static void doubleOrStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::doubleOrStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleOrStringOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DoubleOrString result;
     impl->doubleOrStringOrNullAttribute(result);
     v8SetReturnValue(info, result);
 }
 
 static void doubleOrStringOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::doubleOrStringOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleOrStringOrNullAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "doubleOrStringOrNullAttribute", "TestObject", holder, info.GetIsolate());
     DoubleOrString cppValue;
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(V8DoubleOrStringOrNull::toImpl(info.GetIsolate(), v8Value, cppValue, exceptionState), exceptionState);
     impl->setDoubleOrStringOrNullAttribute(cppValue);
 }
 
 static void doubleOrStringOrNullAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::doubleOrStringOrNullAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleOrNullStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     DoubleOrString result;
     impl->doubleOrNullStringAttribute(result);
     v8SetReturnValue(info, result);
 }
 
 static void doubleOrNullStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::doubleOrNullStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleOrNullStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "doubleOrNullStringAttribute", "TestObject", holder, info.GetIsolate());
     DoubleOrString cppValue;
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(V8DoubleOrStringOrNull::toImpl(info.GetIsolate(), v8Value, cppValue, exceptionState), exceptionState);
     impl->setDoubleOrNullStringAttribute(cppValue);
 }
 
 static void doubleOrNullStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::doubleOrNullStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringOrStringSequenceAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     StringOrStringSequence result;
     impl->stringOrStringSequenceAttribute(result);
     v8SetReturnValue(info, result);
 }
 
 static void stringOrStringSequenceAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::stringOrStringSequenceAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringOrStringSequenceAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "stringOrStringSequenceAttribute", "TestObject", holder, info.GetIsolate());
     StringOrStringSequence cppValue;
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(V8StringOrStringSequence::toImpl(info.GetIsolate(), v8Value, cppValue, exceptionState), exceptionState);
     impl->setStringOrStringSequenceAttribute(cppValue);
 }
 
 static void stringOrStringSequenceAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::stringOrStringSequenceAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessForAllWorldsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingAccessForAllWorldsLongAttribute());
 }
 
 static void activityLoggingAccessForAllWorldsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingAccessForAllWorldsLongAttribute");
     TestObjectV8Internal::activityLoggingAccessForAllWorldsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessForAllWorldsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessForAllWorldsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingAccessForAllWorldsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessForAllWorldsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger()) {
         contextData->activityLogger()->logSetter("TestObject.activityLoggingAccessForAllWorldsLongAttribute", v8Value);
     }
     TestObjectV8Internal::activityLoggingAccessForAllWorldsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterForAllWorldsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingGetterForAllWorldsLongAttribute());
 }
 
 static void activityLoggingGetterForAllWorldsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingGetterForAllWorldsLongAttribute");
     TestObjectV8Internal::activityLoggingGetterForAllWorldsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterForAllWorldsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterForAllWorldsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingGetterForAllWorldsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterForAllWorldsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::activityLoggingGetterForAllWorldsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingSetterForAllWorldsLongAttribute());
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::activityLoggingSetterForAllWorldsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingSetterForAllWorldsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingSetterForAllWorldsLongAttribute(cppValue);
 }
 
 static void activityLoggingSetterForAllWorldsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger()) {
         contextData->activityLogger()->logSetter("TestObject.activityLoggingSetterForAllWorldsLongAttribute", v8Value);
     }
     TestObjectV8Internal::activityLoggingSetterForAllWorldsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedAttributeAnyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
-    v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedAttributeAnyAttribute");
+    v8::Local<v8::Object> holder = info.Holder();
+    v8::Local<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedAttributeAnyAttribute");
     TestObject* impl = V8TestObject::toImpl(holder);
     if (!impl->isValueDirty()) {
-        v8::Handle<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
+        v8::Local<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
         if (!v8Value.IsEmpty()) {
             v8SetReturnValue(info, v8Value);
             return;
         }
     }
     ScriptValue cppValue(impl->cachedAttributeAnyAttribute());
     V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, propertyName, cppValue.v8Value());
     v8SetReturnValue(info, cppValue.v8Value());
 }
 
 static void cachedAttributeAnyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::cachedAttributeAnyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedAttributeAnyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     impl->setCachedAttributeAnyAttribute(cppValue);
     V8HiddenValue::deleteHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "cachedAttributeAnyAttribute")); // Invalidate the cached value.
 }
 
 static void cachedAttributeAnyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::cachedAttributeAnyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedArrayAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
-    v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedArrayAttribute");
+    v8::Local<v8::Object> holder = info.Holder();
+    v8::Local<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedArrayAttribute");
     TestObject* impl = V8TestObject::toImpl(holder);
     if (!impl->isArrayDirty()) {
-        v8::Handle<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
+        v8::Local<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
         if (!v8Value.IsEmpty()) {
             v8SetReturnValue(info, v8Value);
             return;
         }
     }
     Vector<String> cppValue(impl->cachedArrayAttribute());
     V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, propertyName, toV8(cppValue, info.Holder(), info.GetIsolate()));
     v8SetReturnValue(info, toV8(cppValue, info.Holder(), info.GetIsolate()));
 }
 
 static void cachedArrayAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::cachedArrayAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedArrayAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "cachedArrayAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(Vector<String>, cppValue, toImplArray<String>(v8Value, 0, info.GetIsolate(), exceptionState), exceptionState);
     impl->setCachedArrayAttribute(cppValue);
     V8HiddenValue::deleteHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "cachedArrayAttribute")); // Invalidate the cached value.
 }
 
 static void cachedArrayAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::cachedArrayAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedStringOrNoneAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
-    v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedStringOrNoneAttribute");
+    v8::Local<v8::Object> holder = info.Holder();
+    v8::Local<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedStringOrNoneAttribute");
     TestObject* impl = V8TestObject::toImpl(holder);
     if (!impl->isStringDirty()) {
-        v8::Handle<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
+        v8::Local<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
         if (!v8Value.IsEmpty()) {
             v8SetReturnValue(info, v8Value);
             return;
         }
     }
     String cppValue(impl->cachedStringOrNoneAttribute());
     V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, propertyName, cppValue.isNull() ? v8::Handle<v8::Value>(v8::Null(info.GetIsolate())) : v8String(info.GetIsolate(), cppValue));
     v8SetReturnValueStringOrNull(info, cppValue, info.GetIsolate());
 }
 
 static void cachedStringOrNoneAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::cachedStringOrNoneAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedStringOrNoneAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, cppValue, v8Value);
     impl->setCachedStringOrNoneAttribute(cppValue);
     V8HiddenValue::deleteHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "cachedStringOrNoneAttribute")); // Invalidate the cached value.
 }
 
 static void cachedStringOrNoneAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::cachedStringOrNoneAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void callWithExecutionContextAnyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     v8SetReturnValue(info, impl->callWithExecutionContextAnyAttribute(executionContext).v8Value());
 }
 
 static void callWithExecutionContextAnyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::callWithExecutionContextAnyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void callWithExecutionContextAnyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     impl->setCallWithExecutionContextAnyAttribute(executionContext, cppValue);
 }
 
 static void callWithExecutionContextAnyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::callWithExecutionContextAnyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void callWithScriptStateAnyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     v8SetReturnValue(info, impl->callWithScriptStateAnyAttribute(scriptState).v8Value());
 }
 
 static void callWithScriptStateAnyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::callWithScriptStateAnyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void callWithScriptStateAnyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     impl->setCallWithScriptStateAnyAttribute(scriptState, cppValue);
 }
 
 static void callWithScriptStateAnyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::callWithScriptStateAnyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void callWithExecutionContextAndScriptStateAnyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     v8SetReturnValue(info, impl->callWithExecutionContextAndScriptStateAnyAttribute(scriptState, executionContext).v8Value());
 }
 
 static void callWithExecutionContextAndScriptStateAnyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::callWithExecutionContextAndScriptStateAnyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void callWithExecutionContextAndScriptStateAnyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     impl->setCallWithExecutionContextAndScriptStateAnyAttribute(scriptState, executionContext, cppValue);
 }
 
 static void callWithExecutionContextAndScriptStateAnyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::callWithExecutionContextAndScriptStateAnyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void checkSecurityForNodeReadonlyDocumentAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ExceptionState exceptionState(ExceptionState::GetterContext, "checkSecurityForNodeReadonlyDocumentAttribute", "TestObject", holder, info.GetIsolate());
     if (!BindingSecurity::shouldAllowAccessToNode(info.GetIsolate(), impl->checkSecurityForNodeReadonlyDocumentAttribute(), exceptionState)) {
         v8SetReturnValueNull(info);
         exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValueFast(info, WTF::getPtr(impl->checkSecurityForNodeReadonlyDocumentAttribute()), impl);
 }
 
 static void checkSecurityForNodeReadonlyDocumentAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::checkSecurityForNodeReadonlyDocumentAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 #if ENABLE(CONDITION)
 static void conditionalLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->conditionalLongAttribute());
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::conditionalLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setConditionalLongAttribute(cppValue);
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
@@ skipping 19 matching lines @@
 
 static void customGetterLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     V8TestObject::customGetterLongAttributeAttributeGetterCustom(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void customGetterLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "customGetterLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setCustomGetterLongAttribute(cppValue);
 }
 
 static void customGetterLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::customGetterLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void customGetterReadonlyObjectAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     V8TestObject::customGetterReadonlyObjectAttributeAttributeGetterCustom(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void customSetterLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->customSetterLongAttribute());
 }
 
 static void customSetterLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::customSetterLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
@@ skipping 18 matching lines @@
 static void customLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     V8TestObject::customLongAttributeAttributeSetterCustom(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 #endif // ENABLE(CONDITION)
 
 static void customElementsCallbacksReadonlyLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->customElementsCallbacksReadonlyLongAttribute());
 }
 
 static void customElementsCallbacksReadonlyLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::customElementsCallbacksReadonlyLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void deprecatedLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->deprecatedLongAttribute());
 }
 
 static void deprecatedLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     UseCounter::countDeprecationIfNotPrivateScript(info.GetIsolate(), callingExecutionContext(info.GetIsolate()), UseCounter::LongAttribute);
     TestObjectV8Internal::deprecatedLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void deprecatedLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "deprecatedLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setDeprecatedLongAttribute(cppValue);
 }
 
 static void deprecatedLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     UseCounter::countDeprecationIfNotPrivateScript(info.GetIsolate(), callingExecutionContext(info.GetIsolate()), UseCounter::LongAttribute);
     TestObjectV8Internal::deprecatedLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void enforceRangeLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->enforceRangeLongAttribute());
 }
 
 static void enforceRangeLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::enforceRangeLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void enforceRangeLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforceRangeLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, EnforceRange, exceptionState), exceptionState);
     impl->setEnforceRangeLongAttribute(cppValue);
 }
 
 static void enforceRangeLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::enforceRangeLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void exposeJSAccessorsLongAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->exposeJSAccessorsLongAttribute());
 }
 
 static void exposeJSAccessorsLongAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::exposeJSAccessorsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void exposeJSAccessorsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "exposeJSAccessorsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setExposeJSAccessorsLongAttribute(cppValue);
 }
 
 static void exposeJSAccessorsLongAttributeAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> v8Value = info[0];
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::exposeJSAccessorsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void implementedAsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->implementedAsName());
 }
 
 static void implementedAsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::implementedAsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void implementedAsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "implementedAsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setImplementedAsName(cppValue);
 }
 
 static void implementedAsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::implementedAsLongAttributeAttributeSetter(v8Value, info);
@@ skipping 16 matching lines @@
 
 static void customGetterImplementedAsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     V8TestObject::customGetterImplementedAsLongAttributeAttributeGetterCustom(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void customGetterImplementedAsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "customGetterImplementedAsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setImplementedAsNameWithCustomGetter(cppValue);
 }
 
 static void customGetterImplementedAsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::customGetterImplementedAsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void customSetterImplementedAsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->implementedAsNameWithCustomGetter());
 }
 
 static void customSetterImplementedAsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::customSetterImplementedAsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void customSetterImplementedAsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     V8TestObject::customSetterImplementedAsLongAttributeAttributeSetterCustom(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void measureAsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->measureAsLongAttribute());
 }
 
 static void measureAsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     UseCounter::countIfNotPrivateScript(info.GetIsolate(), callingExecutionContext(info.GetIsolate()), UseCounter::TestFeature);
     TestObjectV8Internal::measureAsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void measureAsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "measureAsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setMeasureAsLongAttribute(cppValue);
 }
 
 static void measureAsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     UseCounter::countIfNotPrivateScript(info.GetIsolate(), callingExecutionContext(info.GetIsolate()), UseCounter::TestFeature);
     TestObjectV8Internal::measureAsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void notEnumerableLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->notEnumerableLongAttribute());
 }
 
 static void notEnumerableLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::notEnumerableLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void notEnumerableLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "notEnumerableLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setNotEnumerableLongAttribute(cppValue);
 }
 
 static void notEnumerableLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::notEnumerableLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void perContextEnabledLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->perContextEnabledLongAttribute());
 }
 
 static void perContextEnabledLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::perContextEnabledLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void perContextEnabledLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "perContextEnabledLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setPerContextEnabledLongAttribute(cppValue);
 }
 
 static void perContextEnabledLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::perContextEnabledLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void perWorldBindingsReadonlyTestInterfaceEmptyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     RefPtr<TestInterfaceEmpty> cppValue(impl->perWorldBindingsReadonlyTestInterfaceEmptyAttribute());
     if (cppValue && DOMDataStore::setReturnValue(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Handle<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
+    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "perWorldBindingsReadonlyTestInterfaceEmptyAttribute"), wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void perWorldBindingsReadonlyTestInterfaceEmptyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::perWorldBindingsReadonlyTestInterfaceEmptyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void perWorldBindingsReadonlyTestInterfaceEmptyAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     RefPtr<TestInterfaceEmpty> cppValue(impl->perWorldBindingsReadonlyTestInterfaceEmptyAttribute());
     if (cppValue && DOMDataStore::setReturnValueForMainWorld(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Handle<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
+    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "perWorldBindingsReadonlyTestInterfaceEmptyAttribute"), wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void perWorldBindingsReadonlyTestInterfaceEmptyAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::perWorldBindingsReadonlyTestInterfaceEmptyAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingAccessPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingAccessPerWorldBindingsLongAttribute");
     TestObjectV8Internal::activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingAccessPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger()) {
         contextData->activityLogger()->logSetter("TestObject.activityLoggingAccessPerWorldBindingsLongAttribute", v8Value);
     }
     TestObjectV8Internal::activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingAccessPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingAccessPerWorldBindingsLongAttribute");
     TestObjectV8Internal::activityLoggingAccessPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingAccessPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger()) {
         contextData->activityLogger()->logSetter("TestObject.activityLoggingAccessPerWorldBindingsLongAttribute", v8Value);
     }
     TestObjectV8Internal::activityLoggingAccessPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute");
     TestObjectV8Internal::activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger()) {
         contextData->activityLogger()->logSetter("TestObject.activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute", v8Value);
     }
     TestObjectV8Internal::activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingGetterPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingGetterPerWorldBindingsLongAttribute");
     TestObjectV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingGetterPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingGetterPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingGetterPerWorldBindingsLongAttribute");
     TestObjectV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingGetterPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::activityLoggingGetterPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     ScriptState* scriptState = ScriptState::from(info.GetIsolate()->GetCurrentContext());
     V8PerContextData* contextData = scriptState->perContextData();
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->logGetter("TestObject.activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute");
     TestObjectV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute());
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setActivityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute(cppValue);
 }
 
 static void activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttributeAttributeSetterForMainWorld(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->location()), impl);
 }
 
 static void locationAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->location());
     if (!impl)
         return;
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setHref(cppValue);
 }
 
 static void locationAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithExceptionAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->locationWithException()), impl);
 }
 
 static void locationWithExceptionAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationWithExceptionAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithExceptionAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "locationWithException", "TestObject", holder, info.GetIsolate());
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->locationWithException());
     if (!impl)
         return;
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setHrefThrows(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void locationWithExceptionAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationWithExceptionAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithCallWithAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->locationWithCallWith()), impl);
 }
 
 static void locationWithCallWithAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationWithCallWithAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithCallWithAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->locationWithCallWith());
     if (!impl)
         return;
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     impl->setHrefCallWith(executionContext, callingDOMWindow(info.GetIsolate()), enteredDOMWindow(info.GetIsolate()), cppValue);
 }
 
 static void locationWithCallWithAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationWithCallWithAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationByteStringAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->locationByteString()), impl);
 }
 
 static void locationByteStringAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationByteStringAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationByteStringAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "locationByteString", "TestObject", holder, info.GetIsolate());
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->locationByteString());
     if (!impl)
         return;
     TONATIVE_VOID_EXCEPTIONSTATE(V8StringResource<>, cppValue, toByteString(v8Value, exceptionState), exceptionState);
     impl->setHrefByteString(cppValue);
 }
 
 static void locationByteStringAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationByteStringAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithPerWorldBindingsAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->locationWithPerWorldBindings()), impl);
 }
 
 static void locationWithPerWorldBindingsAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationWithPerWorldBindingsAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithPerWorldBindingsAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->locationWithPerWorldBindings());
     if (!impl)
         return;
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setHref(cppValue);
 }
 
 static void locationWithPerWorldBindingsAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationWithPerWorldBindingsAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithPerWorldBindingsAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueForMainWorld(info, WTF::getPtr(impl->locationWithPerWorldBindings()));
 }
 
 static void locationWithPerWorldBindingsAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationWithPerWorldBindingsAttributeGetterForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWithPerWorldBindingsAttributeSetterForMainWorld(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->locationWithPerWorldBindings());
     if (!impl)
         return;
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setHref(cppValue);
 }
 
 static void locationWithPerWorldBindingsAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationWithPerWorldBindingsAttributeSetterForMainWorld(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationTypeCheckingInterfaceAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->locationTypeCheckingInterface()), impl);
 }
 
 static void locationTypeCheckingInterfaceAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationTypeCheckingInterfaceAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationTypeCheckingInterfaceAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->locationTypeCheckingInterface());
     if (!impl)
         return;
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setHref(cppValue);
 }
 
 static void locationTypeCheckingInterfaceAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationTypeCheckingInterfaceAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationGarbageCollectedAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     RawPtr<TestInterfaceGarbageCollected> cppValue(impl->locationGarbageCollected());
     if (cppValue && DOMDataStore::setReturnValue(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Handle<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
+    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "locationGarbageCollected"), wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void locationGarbageCollectedAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationGarbageCollectedAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationGarbageCollectedAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RawPtr<TestInterfaceGarbageCollected> impl = WTF::getPtr(proxyImpl->locationGarbageCollected());
     if (!impl)
         return;
     TestInterfaceGarbageCollected* cppValue = V8TestInterfaceGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setAttr1(WTF::getPtr(cppValue));
 }
 
 static void locationGarbageCollectedAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationGarbageCollectedAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWillBeGarbageCollectedAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestInterfaceWillBeGarbageCollected> cppValue(impl->locationWillBeGarbageCollected());
     if (cppValue && DOMDataStore::setReturnValue(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Handle<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
+    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "locationWillBeGarbageCollected"), wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void locationWillBeGarbageCollectedAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationWillBeGarbageCollectedAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationWillBeGarbageCollectedAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestInterfaceWillBeGarbageCollected> impl = WTF::getPtr(proxyImpl->locationWillBeGarbageCollected());
     if (!impl)
         return;
     TestInterfaceWillBeGarbageCollected* cppValue = V8TestInterfaceWillBeGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setAttr1(WTF::getPtr(cppValue));
 }
 
 static void locationWillBeGarbageCollectedAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationWillBeGarbageCollectedAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void raisesExceptionLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ExceptionState exceptionState(ExceptionState::GetterContext, "raisesExceptionLongAttribute", "TestObject", holder, info.GetIsolate());
     int cppValue(impl->raisesExceptionLongAttribute(exceptionState));
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     v8SetReturnValueInt(info, cppValue);
 }
 
 static void raisesExceptionLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::raisesExceptionLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void raisesExceptionLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "raisesExceptionLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setRaisesExceptionLongAttribute(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void raisesExceptionLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::raisesExceptionLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void raisesExceptionGetterLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ExceptionState exceptionState(ExceptionState::GetterContext, "raisesExceptionGetterLongAttribute", "TestObject", holder, info.GetIsolate());
     int cppValue(impl->raisesExceptionGetterLongAttribute(exceptionState));
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     v8SetReturnValueInt(info, cppValue);
 }
 
 static void raisesExceptionGetterLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::raisesExceptionGetterLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void raisesExceptionGetterLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "raisesExceptionGetterLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setRaisesExceptionGetterLongAttribute(cppValue);
 }
 
 static void raisesExceptionGetterLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::raisesExceptionGetterLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void setterRaisesExceptionLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->setterRaisesExceptionLongAttribute());
 }
 
 static void setterRaisesExceptionLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::setterRaisesExceptionLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void setterRaisesExceptionLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "setterRaisesExceptionLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setSetterRaisesExceptionLongAttribute(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void setterRaisesExceptionLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::setterRaisesExceptionLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void raisesExceptionTestInterfaceEmptyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     ExceptionState exceptionState(ExceptionState::GetterContext, "raisesExceptionTestInterfaceEmptyAttribute", "TestObject", holder, info.GetIsolate());
     RefPtr<TestInterfaceEmpty> cppValue(impl->raisesExceptionTestInterfaceEmptyAttribute(exceptionState));
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     v8SetReturnValueFast(info, WTF::getPtr(cppValue.release()), impl);
 }
 
 static void raisesExceptionTestInterfaceEmptyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::raisesExceptionTestInterfaceEmptyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void raisesExceptionTestInterfaceEmptyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "raisesExceptionTestInterfaceEmptyAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceEmpty* cppValue = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setRaisesExceptionTestInterfaceEmptyAttribute(WTF::getPtr(cppValue), exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void raisesExceptionTestInterfaceEmptyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::raisesExceptionTestInterfaceEmptyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedAttributeRaisesExceptionGetterAnyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
-    v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedAttributeRaisesExceptionGetterAnyAttribute");
+    v8::Local<v8::Object> holder = info.Holder();
+    v8::Local<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedAttributeRaisesExceptionGetterAnyAttribute");
     TestObject* impl = V8TestObject::toImpl(holder);
     if (!impl->isValueDirty()) {
-        v8::Handle<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
+        v8::Local<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
         if (!v8Value.IsEmpty()) {
             v8SetReturnValue(info, v8Value);
             return;
         }
     }
     ExceptionState exceptionState(ExceptionState::GetterContext, "cachedAttributeRaisesExceptionGetterAnyAttribute", "TestObject", holder, info.GetIsolate());
     ScriptValue cppValue(impl->cachedAttributeRaisesExceptionGetterAnyAttribute(exceptionState));
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, propertyName, cppValue.v8Value());
     v8SetReturnValue(info, cppValue.v8Value());
 }
 
 static void cachedAttributeRaisesExceptionGetterAnyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::cachedAttributeRaisesExceptionGetterAnyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedAttributeRaisesExceptionGetterAnyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "cachedAttributeRaisesExceptionGetterAnyAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     ScriptValue cppValue = ScriptValue(ScriptState::current(info.GetIsolate()), v8Value);
     impl->setCachedAttributeRaisesExceptionGetterAnyAttribute(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
     V8HiddenValue::deleteHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "cachedAttributeRaisesExceptionGetterAnyAttribute")); // Invalidate the cached value.
 }
 
 static void cachedAttributeRaisesExceptionGetterAnyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::cachedAttributeRaisesExceptionGetterAnyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectTestInterfaceAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->fastGetAttribute(HTMLNames::reflecttestinterfaceattributeAttr)), impl);
 }
 
 static void reflectTestInterfaceAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectTestInterfaceAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectTestInterfaceAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::reflecttestinterfaceattributeAttr, WTF::getPtr(cppValue));
 }
 
 static void reflectTestInterfaceAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectTestInterfaceAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectReflectedNameAttributeTestAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->fastGetAttribute(HTMLNames::reflectedNameAttributeAttr)), impl);
 }
 
 static void reflectReflectedNameAttributeTestAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectReflectedNameAttributeTestAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectReflectedNameAttributeTestAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::reflectedNameAttributeAttr, WTF::getPtr(cppValue));
 }
 
 static void reflectReflectedNameAttributeTestAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectReflectedNameAttributeTestAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectBooleanAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueBool(info, impl->fastHasAttribute(HTMLNames::reflectbooleanattributeAttr));
 }
 
 static void reflectBooleanAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectBooleanAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectBooleanAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     bool cppValue = v8Value->BooleanValue();
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setBooleanAttribute(HTMLNames::reflectbooleanattributeAttr, cppValue);
 }
 
 static void reflectBooleanAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectBooleanAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->getIntegralAttribute(HTMLNames::reflectlongattributeAttr));
 }
 
 static void reflectLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "reflectLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setIntegralAttribute(HTMLNames::reflectlongattributeAttr, cppValue);
 }
 
 static void reflectLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectUnsignedShortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueUnsigned(info, std::max(0, static_cast<int>(impl->fastGetAttribute(HTMLNames::reflectunsignedshortattributeAttr))));
 }
 
 static void reflectUnsignedShortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectUnsignedShortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectUnsignedShortAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "reflectUnsignedShortAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(unsigned, cppValue, toUInt16(v8Value, exceptionState), exceptionState);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::reflectunsignedshortattributeAttr, cppValue);
 }
 
 static void reflectUnsignedShortAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectUnsignedShortAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectUnsignedLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueUnsigned(info, std::max(0, static_cast<int>(impl->getIntegralAttribute(HTMLNames::reflectunsignedlongattributeAttr))));
 }
 
 static void reflectUnsignedLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectUnsignedLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectUnsignedLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "reflectUnsignedLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(unsigned, cppValue, toUInt32(v8Value, exceptionState), exceptionState);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setUnsignedIntegralAttribute(HTMLNames::reflectunsignedlongattributeAttr, cppValue);
 }
 
 static void reflectUnsignedLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectUnsignedLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void idAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getIdAttribute(), info.GetIsolate());
 }
 
 static void idAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::idAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void idAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::idAttr, cppValue);
 }
 
 static void idAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::idAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nameAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getNameAttribute(), info.GetIsolate());
 }
 
 static void nameAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::nameAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nameAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::nameAttr, cppValue);
 }
 
 static void nameAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::nameAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void classAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getClassAttribute(), info.GetIsolate());
 }
 
 static void classAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::classAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void classAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::classAttr, cppValue);
 }
 
 static void classAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::classAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectedIdAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getIdAttribute(), info.GetIsolate());
 }
 
 static void reflectedIdAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectedIdAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectedIdAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::idAttr, cppValue);
 }
 
 static void reflectedIdAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectedIdAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectedNameAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getNameAttribute(), info.GetIsolate());
 }
 
 static void reflectedNameAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectedNameAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectedNameAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::nameAttr, cppValue);
 }
 
 static void reflectedNameAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectedNameAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectedClassAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getClassAttribute(), info.GetIsolate());
 }
 
 static void reflectedClassAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::reflectedClassAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void reflectedClassAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::classAttr, cppValue);
 }
 
 static void reflectedClassAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::reflectedClassAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedToOnlyOneAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String cppValue(impl->fastGetAttribute(HTMLNames::limitedtoonlyoneattributeAttr));
     if (cppValue.isEmpty()) {
         ;
     } else if (equalIgnoringCase(cppValue, "unique")) {
         cppValue = "unique";
     } else {
         cppValue = "";
     }
     v8SetReturnValueString(info, cppValue, info.GetIsolate());
 }
 
 static void limitedToOnlyOneAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::limitedToOnlyOneAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedToOnlyOneAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::limitedtoonlyoneattributeAttr, cppValue);
 }
 
 static void limitedToOnlyOneAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::limitedToOnlyOneAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedToOnlyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String cppValue(impl->fastGetAttribute(HTMLNames::limitedtoonlyattributeAttr));
     if (cppValue.isEmpty()) {
         ;
     } else if (equalIgnoringCase(cppValue, "Per")) {
         cppValue = "Per";
     } else if (equalIgnoringCase(cppValue, "Paal")) {
         cppValue = "Paal";
     } else if (equalIgnoringCase(cppValue, "Espen")) {
         cppValue = "Espen";
     } else {
         cppValue = "";
     }
     v8SetReturnValueString(info, cppValue, info.GetIsolate());
 }
 
 static void limitedToOnlyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::limitedToOnlyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedToOnlyAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::limitedtoonlyattributeAttr, cppValue);
 }
 
 static void limitedToOnlyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::limitedToOnlyAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedToOnlyOtherAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String cppValue(impl->fastGetAttribute(HTMLNames::otherAttr));
     if (cppValue.isEmpty()) {
         ;
     } else if (equalIgnoringCase(cppValue, "Value1")) {
         cppValue = "Value1";
     } else if (equalIgnoringCase(cppValue, "Value2")) {
         cppValue = "Value2";
     } else {
         cppValue = "";
     }
     v8SetReturnValueString(info, cppValue, info.GetIsolate());
 }
 
 static void limitedToOnlyOtherAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::limitedToOnlyOtherAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedToOnlyOtherAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::otherAttr, cppValue);
 }
 
 static void limitedToOnlyOtherAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::limitedToOnlyOtherAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedWithMissingDefaultAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String cppValue(impl->fastGetAttribute(HTMLNames::limitedwithmissingdefaultattributeAttr));
     if (cppValue.isEmpty()) {
         cppValue = "rsa";
     } else if (equalIgnoringCase(cppValue, "rsa")) {
         cppValue = "rsa";
     } else if (equalIgnoringCase(cppValue, "dsa")) {
         cppValue = "dsa";
     } else {
         cppValue = "";
     }
     v8SetReturnValueString(info, cppValue, info.GetIsolate());
 }
 
 static void limitedWithMissingDefaultAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::limitedWithMissingDefaultAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedWithMissingDefaultAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::limitedwithmissingdefaultattributeAttr, cppValue);
 }
 
 static void limitedWithMissingDefaultAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::limitedWithMissingDefaultAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String cppValue(impl->fastGetAttribute(HTMLNames::limitedwithinvalidmissingdefaultattributeAttr));
     if (cppValue.isEmpty()) {
         cppValue = "auto";
     } else if (equalIgnoringCase(cppValue, "ltr")) {
         cppValue = "ltr";
     } else if (equalIgnoringCase(cppValue, "rtl")) {
         cppValue = "rtl";
     } else if (equalIgnoringCase(cppValue, "auto")) {
         cppValue = "auto";
     } else {
         cppValue = "ltr";
     }
     v8SetReturnValueString(info, cppValue, info.GetIsolate());
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::limitedWithInvalidMissingDefaultAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::limitedwithinvalidmissingdefaultattributeAttr, cppValue);
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::limitedWithInvalidMissingDefaultAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void corsSettingAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String cppValue(impl->fastGetAttribute(HTMLNames::corssettingattributeAttr));
     if (cppValue.isNull()) {
         ;
     } else if (cppValue.isEmpty()) {
         cppValue = "anonymous";
     } else if (equalIgnoringCase(cppValue, "anonymous")) {
         cppValue = "anonymous";
     } else if (equalIgnoringCase(cppValue, "use-credentials")) {
         cppValue = "use-credentials";
     } else {
         cppValue = "anonymous";
     }
     v8SetReturnValueString(info, cppValue, info.GetIsolate());
 }
 
 static void corsSettingAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::corsSettingAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void limitedWithEmptyMissingInvalidAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String cppValue(impl->fastGetAttribute(HTMLNames::limitedwithemptymissinginvalidattributeAttr));
     if (cppValue.isNull()) {
         cppValue = "missing";
     } else if (cppValue.isEmpty()) {
         cppValue = "empty";
     } else if (equalIgnoringCase(cppValue, "empty")) {
         cppValue = "empty";
     } else if (equalIgnoringCase(cppValue, "missing")) {
         cppValue = "missing";
     } else if (equalIgnoringCase(cppValue, "invalid")) {
         cppValue = "invalid";
     } else if (equalIgnoringCase(cppValue, "a-normal")) {
         cppValue = "a-normal";
     } else {
         cppValue = "invalid";
     }
     v8SetReturnValueString(info, cppValue, info.GetIsolate());
 }
 
 static void limitedWithEmptyMissingInvalidAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::limitedWithEmptyMissingInvalidAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void replaceableReadonlyLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->replaceableReadonlyLongAttribute());
 }
 
 static void replaceableReadonlyLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::replaceableReadonlyLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationReplaceableAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->locationReplaceable()), impl);
 }
 
 static void locationReplaceableAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::locationReplaceableAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void locationReplaceableAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* proxyImpl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<TestNode> impl = WTF::getPtr(proxyImpl->locationReplaceable());
     if (!impl)
         return;
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setHref(cppValue);
 }
 
 static void locationReplaceableAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::locationReplaceableAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void runtimeEnabledLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->runtimeEnabledLongAttribute());
 }
 
 static void runtimeEnabledLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::runtimeEnabledLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void runtimeEnabledLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "runtimeEnabledLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setRuntimeEnabledLongAttribute(cppValue);
 }
 
 static void runtimeEnabledLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::runtimeEnabledLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void perContextEnabledRuntimeEnabledLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->perContextEnabledRuntimeEnabledLongAttribute());
 }
 
 static void perContextEnabledRuntimeEnabledLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::perContextEnabledRuntimeEnabledLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void perContextEnabledRuntimeEnabledLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "perContextEnabledRuntimeEnabledLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setPerContextEnabledRuntimeEnabledLongAttribute(cppValue);
 }
 
 static void perContextEnabledRuntimeEnabledLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::perContextEnabledRuntimeEnabledLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 #if ENABLE(CONDITION)
 static void conditionalRuntimeEnabledLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->conditionalRuntimeEnabledLongAttribute());
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalRuntimeEnabledLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::conditionalRuntimeEnabledLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalRuntimeEnabledLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalRuntimeEnabledLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setConditionalRuntimeEnabledLongAttribute(cppValue);
 }
 #endif // ENABLE(CONDITION)
 
 #if ENABLE(CONDITION)
 static void conditionalRuntimeEnabledLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::conditionalRuntimeEnabledLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 #endif // ENABLE(CONDITION)
 
 static void setterCallWithActiveWindowAndFirstWindowStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->setterCallWithActiveWindowAndFirstWindowStringAttribute(), info.GetIsolate());
 }
 
 static void setterCallWithActiveWindowAndFirstWindowStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::setterCallWithActiveWindowAndFirstWindowStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void setterCallWithActiveWindowAndFirstWindowStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setSetterCallWithActiveWindowAndFirstWindowStringAttribute(callingDOMWindow(info.GetIsolate()), enteredDOMWindow(info.GetIsolate()), cppValue);
 }
 
 static void setterCallWithActiveWindowAndFirstWindowStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::setterCallWithActiveWindowAndFirstWindowStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void setterCallWithExecutionContextStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->setterCallWithExecutionContextStringAttribute(), info.GetIsolate());
 }
 
 static void setterCallWithExecutionContextStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::setterCallWithExecutionContextStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void setterCallWithExecutionContextStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
     impl->setSetterCallWithExecutionContextStringAttribute(executionContext, cppValue);
 }
 
 static void setterCallWithExecutionContextStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::setterCallWithExecutionContextStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatNullAsEmptyStringStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->treatNullAsEmptyStringStringAttribute(), info.GetIsolate());
 }
 
 static void treatNullAsEmptyStringStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatNullAsEmptyStringStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatNullAsEmptyStringStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<TreatNullAsEmptyString>, cppValue, v8Value);
     impl->setTreatNullAsEmptyStringStringAttribute(cppValue);
 }
 
 static void treatNullAsEmptyStringStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatNullAsEmptyStringStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatNullAsNullStringStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->treatNullAsNullStringStringAttribute(), info.GetIsolate());
 }
 
 static void treatNullAsNullStringStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatNullAsNullStringStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatNullAsNullStringStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<TreatNullAsNullString>, cppValue, v8Value);
     impl->setTreatNullAsNullStringStringAttribute(cppValue);
 }
 
 static void treatNullAsNullStringStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatNullAsNullStringStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsNullStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueStringOrNull(info, impl->treatReturnedNullStringAsNullStringAttribute(), info.GetIsolate());
 }
 
 static void treatReturnedNullStringAsNullStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatReturnedNullStringAsNullStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsNullStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setTreatReturnedNullStringAsNullStringAttribute(cppValue);
 }
 
 static void treatReturnedNullStringAsNullStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatReturnedNullStringAsNullStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsUndefinedStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueStringOrUndefined(info, impl->treatReturnedNullStringAsUndefinedStringAttribute(), info.GetIsolate());
 }
 
 static void treatReturnedNullStringAsUndefinedStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatReturnedNullStringAsUndefinedStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsUndefinedStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setTreatReturnedNullStringAsUndefinedStringAttribute(cppValue);
 }
 
 static void treatReturnedNullStringAsUndefinedStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatReturnedNullStringAsUndefinedStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedTreatReturnedNullStringAsUndefinedStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
-    v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedTreatReturnedNullStringAsUndefinedStringAttribute");
+    v8::Local<v8::Object> holder = info.Holder();
+    v8::Local<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedTreatReturnedNullStringAsUndefinedStringAttribute");
     TestObject* impl = V8TestObject::toImpl(holder);
     if (!impl->isStringDirty()) {
-        v8::Handle<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
+        v8::Local<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
         if (!v8Value.IsEmpty()) {
             v8SetReturnValue(info, v8Value);
             return;
         }
     }
     String cppValue(impl->cachedTreatReturnedNullStringAsUndefinedStringAttribute());
     V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, propertyName, cppValue.isNull() ? v8Undefined() : v8String(info.GetIsolate(), cppValue));
     v8SetReturnValueStringOrUndefined(info, cppValue, info.GetIsolate());
 }
 
 static void cachedTreatReturnedNullStringAsUndefinedStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::cachedTreatReturnedNullStringAsUndefinedStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void cachedTreatReturnedNullStringAsUndefinedStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setCachedTreatReturnedNullStringAsUndefinedStringAttribute(cppValue);
     V8HiddenValue::deleteHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "cachedTreatReturnedNullStringAsUndefinedStringAttribute")); // Invalidate the cached value.
 }
 
 static void cachedTreatReturnedNullStringAsUndefinedStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::cachedTreatReturnedNullStringAsUndefinedStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsNullByteStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueStringOrNull(info, impl->treatReturnedNullStringAsNullByteStringAttribute(), info.GetIsolate());
 }
 
 static void treatReturnedNullStringAsNullByteStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatReturnedNullStringAsNullByteStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsNullByteStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "treatReturnedNullStringAsNullByteStringAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(V8StringResource<>, cppValue, toByteString(v8Value, exceptionState), exceptionState);
     impl->setTreatReturnedNullStringAsNullByteStringAttribute(cppValue);
 }
 
 static void treatReturnedNullStringAsNullByteStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatReturnedNullStringAsNullByteStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsUndefinedByteStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueStringOrUndefined(info, impl->treatReturnedNullStringAsUndefinedByteStringAttribute(), info.GetIsolate());
 }
 
 static void treatReturnedNullStringAsUndefinedByteStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatReturnedNullStringAsUndefinedByteStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsUndefinedByteStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "treatReturnedNullStringAsUndefinedByteStringAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(V8StringResource<>, cppValue, toByteString(v8Value, exceptionState), exceptionState);
     impl->setTreatReturnedNullStringAsUndefinedByteStringAttribute(cppValue);
 }
 
 static void treatReturnedNullStringAsUndefinedByteStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatReturnedNullStringAsUndefinedByteStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsNullUSVStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueStringOrNull(info, impl->treatReturnedNullStringAsNullUSVStringAttribute(), info.GetIsolate());
 }
 
 static void treatReturnedNullStringAsNullUSVStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatReturnedNullStringAsNullUSVStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsNullUSVStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "treatReturnedNullStringAsNullUSVStringAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(V8StringResource<>, cppValue, toUSVString(v8Value, exceptionState), exceptionState);
     impl->setTreatReturnedNullStringAsNullUSVStringAttribute(cppValue);
 }
 
 static void treatReturnedNullStringAsNullUSVStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatReturnedNullStringAsNullUSVStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsUndefinedUSVStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueStringOrUndefined(info, impl->treatReturnedNullStringAsUndefinedUSVStringAttribute(), info.GetIsolate());
 }
 
 static void treatReturnedNullStringAsUndefinedUSVStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::treatReturnedNullStringAsUndefinedUSVStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void treatReturnedNullStringAsUndefinedUSVStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "treatReturnedNullStringAsUndefinedUSVStringAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(V8StringResource<>, cppValue, toUSVString(v8Value, exceptionState), exceptionState);
     impl->setTreatReturnedNullStringAsUndefinedUSVStringAttribute(cppValue);
 }
 
 static void treatReturnedNullStringAsUndefinedUSVStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::treatReturnedNullStringAsUndefinedUSVStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingInterfaceFloatAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValue(info, impl->typeCheckingInterfaceFloatAttribute());
 }
 
 static void typeCheckingInterfaceFloatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::typeCheckingInterfaceFloatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingInterfaceFloatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "typeCheckingInterfaceFloatAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toFloat(v8Value, exceptionState), exceptionState);
     impl->setTypeCheckingInterfaceFloatAttribute(cppValue);
 }
 
 static void typeCheckingInterfaceFloatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::typeCheckingInterfaceFloatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingInterfaceTestInterfaceAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->typeCheckingInterfaceTestInterfaceAttribute()), impl);
 }
 
 static void typeCheckingInterfaceTestInterfaceAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::typeCheckingInterfaceTestInterfaceAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingInterfaceTestInterfaceAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "typeCheckingInterfaceTestInterfaceAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue) {
         exceptionState.throwTypeError("The provided value is not of type 'TestInterface'.");
         exceptionState.throwIfNeeded();
         return;
     }
     impl->setTypeCheckingInterfaceTestInterfaceAttribute(WTF::getPtr(cppValue));
 }
 
 static void typeCheckingInterfaceTestInterfaceAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::typeCheckingInterfaceTestInterfaceAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingInterfaceTestInterfaceOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->typeCheckingInterfaceTestInterfaceOrNullAttribute()), impl);
 }
 
 static void typeCheckingInterfaceTestInterfaceOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::typeCheckingInterfaceTestInterfaceOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void typeCheckingInterfaceTestInterfaceOrNullAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "typeCheckingInterfaceTestInterfaceOrNullAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     if (!cppValue && !isUndefinedOrNull(v8Value)) {
         exceptionState.throwTypeError("The provided value is not of type 'TestInterface'.");
         exceptionState.throwIfNeeded();
         return;
     }
     impl->setTypeCheckingInterfaceTestInterfaceOrNullAttribute(WTF::getPtr(cppValue));
 }
 
 static void typeCheckingInterfaceTestInterfaceOrNullAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::typeCheckingInterfaceTestInterfaceOrNullAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void urlStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getURLAttribute(HTMLNames::urlstringattributeAttr), info.GetIsolate());
 }
 
 static void urlStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::urlStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void urlStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::urlstringattributeAttr, cppValue);
 }
 
 static void urlStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::urlStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void urlStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->getURLAttribute(HTMLNames::reflectUrlAttributeAttr), info.GetIsolate());
 }
 
 static void urlStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::urlStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void urlStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     impl->setAttribute(HTMLNames::reflectUrlAttributeAttr, cppValue);
 }
 
 static void urlStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
     TestObjectV8Internal::urlStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unforgeableLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueInt(info, impl->unforgeableLongAttribute());
 }
 
 static void unforgeableLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::unforgeableLongAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unforgeableLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unforgeableLongAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
     impl->setUnforgeableLongAttribute(cppValue);
 }
 
 static void unforgeableLongAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::unforgeableLongAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testInterfaceAttribute()), impl);
 }
 
 static void testInterfaceAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestInterfaceAttribute(WTF::getPtr(cppValue));
 }
 
 static void testInterfaceAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceGarbageCollectedAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testInterfaceGarbageCollectedAttribute()), impl);
 }
 
 static void testInterfaceGarbageCollectedAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceGarbageCollectedAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceGarbageCollectedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceGarbageCollected* cppValue = V8TestInterfaceGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestInterfaceGarbageCollectedAttribute(WTF::getPtr(cppValue));
 }
 
 static void testInterfaceGarbageCollectedAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceGarbageCollectedAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceGarbageCollectedOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testInterfaceGarbageCollectedOrNullAttribute()), impl);
 }
 
 static void testInterfaceGarbageCollectedOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceGarbageCollectedOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceGarbageCollectedOrNullAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceGarbageCollected* cppValue = V8TestInterfaceGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestInterfaceGarbageCollectedOrNullAttribute(WTF::getPtr(cppValue));
 }
 
 static void testInterfaceGarbageCollectedOrNullAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceGarbageCollectedOrNullAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceWillBeGarbageCollectedAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testInterfaceWillBeGarbageCollectedAttribute()), impl);
 }
 
 static void testInterfaceWillBeGarbageCollectedAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceWillBeGarbageCollectedAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceWillBeGarbageCollectedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceWillBeGarbageCollected* cppValue = V8TestInterfaceWillBeGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestInterfaceWillBeGarbageCollectedAttribute(WTF::getPtr(cppValue));
 }
 
 static void testInterfaceWillBeGarbageCollectedAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceWillBeGarbageCollectedAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceWillBeGarbageCollectedOrNullAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueFast(info, WTF::getPtr(impl->testInterfaceWillBeGarbageCollectedOrNullAttribute()), impl);
 }
 
 static void testInterfaceWillBeGarbageCollectedOrNullAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::testInterfaceWillBeGarbageCollectedOrNullAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void testInterfaceWillBeGarbageCollectedOrNullAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TestInterfaceWillBeGarbageCollected* cppValue = V8TestInterfaceWillBeGarbageCollected::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     impl->setTestInterfaceWillBeGarbageCollectedOrNullAttribute(WTF::getPtr(cppValue));
 }
 
 static void testInterfaceWillBeGarbageCollectedOrNullAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::testInterfaceWillBeGarbageCollectedOrNullAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void readonlyShortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     int result = 0;
     if (!V8TestObject::PrivateScript::readonlyShortAttributeAttributeGetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, &result))
         return;
     v8SetReturnValueInt(info, result);
 }
 
 static void readonlyShortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::readonlyShortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void shortAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     int result = 0;
     if (!V8TestObject::PrivateScript::shortAttributeAttributeGetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, &result))
         return;
     v8SetReturnValueInt(info, result);
 }
 
 static void shortAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::shortAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void shortAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "shortAttribute", "TestObject", holder, info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(holder);
     TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt16(v8Value, exceptionState), exceptionState);
     V8TestObject::PrivateScript::shortAttributeAttributeSetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, cppValue);
 }
 
 static void shortAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::shortAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String result;
     if (!V8TestObject::PrivateScript::stringAttributeAttributeGetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, &result))
         return;
     v8SetReturnValueString(info, result, info.GetIsolate());
 }
 
 static void stringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::stringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     V8TestObject::PrivateScript::stringAttributeAttributeSetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, cppValue);
 }
 
 static void stringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::stringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nodeAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     RefPtrWillBeRawPtr<Node> result = nullptr;
     if (!V8TestObject::PrivateScript::nodeAttributeAttributeGetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, &result))
         return;
     v8SetReturnValueFast(info, WTF::getPtr(result.release()), impl);
 }
 
 static void nodeAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::nodeAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void nodeAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     Node* cppValue = V8Node::toImplWithTypeCheck(info.GetIsolate(), v8Value);
     V8TestObject::PrivateScript::nodeAttributeAttributeSetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, cppValue);
 }
 
 static void nodeAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::nodeAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void attributeImplementedInCPPForPrivateScriptOnlyAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     v8SetReturnValueString(info, impl->attributeImplementedInCPPForPrivateScriptOnly(), info.GetIsolate());
 }
 
 static void attributeImplementedInCPPForPrivateScriptOnlyAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::attributeImplementedInCPPForPrivateScriptOnlyAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void attributeImplementedInCPPForPrivateScriptOnlyAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     impl->setAttributeImplementedInCPPForPrivateScriptOnly(cppValue);
 }
 
 static void attributeImplementedInCPPForPrivateScriptOnlyAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::attributeImplementedInCPPForPrivateScriptOnlyAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void enumForPrivateScriptAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     String result;
     if (!V8TestObject::PrivateScript::enumForPrivateScriptAttributeGetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, &result))
         return;
     v8SetReturnValueString(info, result, info.GetIsolate());
 }
 
 static void enumForPrivateScriptAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestObjectV8Internal::enumForPrivateScriptAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void enumForPrivateScriptAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    v8::Handle<v8::Object> holder = info.Holder();
+    v8::Local<v8::Object> holder = info.Holder();
     TestObject* impl = V8TestObject::toImpl(holder);
     TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
     String string = cppValue;
     if (!(string == "" || string == "EnumValue1" || string == "EnumValue2" || string == "EnumValue3"))
         return;
     V8TestObject::PrivateScript::enumForPrivateScriptAttributeSetter(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()), impl, cppValue);
 }
 
 static void enumForPrivateScriptAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestObjectV8Internal::enumForPrivateScriptAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void TestObjectConstructorGetter(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
-    v8::Handle<v8::Value> data = info.Data();
+    v8::Local<v8::Value> data = info.Data();
     ASSERT(data->IsExternal());
     V8PerContextData* perContextData = V8PerContextData::from(info.Holder()->CreationContext());
     if (!perContextData)
         return;
     v8SetReturnValue(info, perContextData->constructorForType(WrapperTypeInfo::unwrap(data)));
 }
 
 static void testInterfaceEmptyConstructorAttributeConstructorGetterCallback(v8::Local<v8::String> property, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
@@ skipping 6106 matching lines @@
 {
     scriptWrappable->toImpl<TestObject>()->deref();
 }
 
 bool V8TestObject::PrivateScript::voidMethodImplementedInPrivateScriptMethod(LocalFrame* frame, TestObject* holderImpl)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
-    v8::Handle<v8::Value> *argv = 0;
+    v8::Local<v8::Value> *argv = 0;
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodImplementedInPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "voidMethodImplementedInPrivateScript", holder, 0, argv);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "voidMethodImplementedInPrivateScript", holder, 0, argv);
     if (v8Value.IsEmpty())
         return false;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestObject::PrivateScript::shortMethodImplementedInPrivateScriptMethod(LocalFrame* frame, TestObject* holderImpl, int* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
-    v8::Handle<v8::Value> *argv = 0;
+    v8::Local<v8::Value> *argv = 0;
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "shortMethodImplementedInPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "shortMethodImplementedInPrivateScript", holder, 0, argv);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "shortMethodImplementedInPrivateScript", holder, 0, argv);
     if (v8Value.IsEmpty())
         return false;
     TONATIVE_DEFAULT_EXCEPTIONSTATE(int, cppValue, toInt16(v8Value, exceptionState), exceptionState, false);
     *result = cppValue;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestObject::PrivateScript::shortMethodWithShortArgumentImplementedInPrivateScriptMethod(LocalFrame* frame, TestObject* holderImpl, int value, int* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
-    v8::Handle<v8::Value> valueHandle = v8::Integer::New(scriptState->isolate(), value);
-    v8::Handle<v8::Value> argv[] = { valueHandle };
+    v8::Local<v8::Value> valueHandle = v8::Integer::New(scriptState->isolate(), value);
+    v8::Local<v8::Value> argv[] = { valueHandle };
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "shortMethodWithShortArgumentImplementedInPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "shortMethodWithShortArgumentImplementedInPrivateScript", holder, 1, argv);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "shortMethodWithShortArgumentImplementedInPrivateScript", holder, 1, argv);
     if (v8Value.IsEmpty())
         return false;
     TONATIVE_DEFAULT_EXCEPTIONSTATE(int, cppValue, toInt16(v8Value, exceptionState), exceptionState, false);
     *result = cppValue;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestObject::PrivateScript::stringMethodWithStringArgumentImplementedInPrivateScriptMethod(LocalFrame* frame, TestObject* holderImpl, String value, String* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
-    v8::Handle<v8::Value> valueHandle = v8String(scriptState->isolate(), value);
-    v8::Handle<v8::Value> argv[] = { valueHandle };
+    v8::Local<v8::Value> valueHandle = v8String(scriptState->isolate(), value);
+    v8::Local<v8::Value> argv[] = { valueHandle };
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "stringMethodWithStringArgumentImplementedInPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "stringMethodWithStringArgumentImplementedInPrivateScript", holder, 1, argv);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "stringMethodWithStringArgumentImplementedInPrivateScript", holder, 1, argv);
     if (v8Value.IsEmpty())
         return false;
     TOSTRING_DEFAULT(V8StringResource<>, cppValue, v8Value, false);
     *result = cppValue;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestObject::PrivateScript::nodeMethodWithNodeArgumentImplementedInPrivateScriptMethod(LocalFrame* frame, TestObject* holderImpl, PassRefPtrWillBeRawPtr<Node> value, RefPtrWillBeRawPtr<Node>* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
-    v8::Handle<v8::Value> valueHandle = toV8(value, scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> argv[] = { valueHandle };
+    v8::Local<v8::Value> valueHandle = toV8(value, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> argv[] = { valueHandle };
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "nodeMethodWithNodeArgumentImplementedInPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "nodeMethodWithNodeArgumentImplementedInPrivateScript", holder, 1, argv);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "nodeMethodWithNodeArgumentImplementedInPrivateScript", holder, 1, argv);
     if (v8Value.IsEmpty())
         return false;
     Node* cppValue = V8Node::toImplWithTypeCheck(scriptState->isolate(), v8Value);
     *result = cppValue;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestObject::PrivateScript::nodeMethodWithVariousArgumentsImplementedInPrivateScriptMethod(LocalFrame* frame, TestObject* holderImpl, PassRefPtrWillBeRawPtr<Document> document, PassRefPtrWillBeRawPtr<Node> node, int value1, double value2, String string, RefPtrWillBeRawPtr<Node>* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
-    v8::Handle<v8::Value> documentHandle = toV8(document, scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> nodeHandle = toV8(node, scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> value1Handle = v8::Integer::New(scriptState->isolate(), value1);
-    v8::Handle<v8::Value> value2Handle = v8::Number::New(scriptState->isolate(), value2);
-    v8::Handle<v8::Value> stringHandle = v8String(scriptState->isolate(), string);
-    v8::Handle<v8::Value> argv[] = { documentHandle, nodeHandle, value1Handle, value2Handle, stringHandle };
+    v8::Local<v8::Value> documentHandle = toV8(document, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> nodeHandle = toV8(node, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> value1Handle = v8::Integer::New(scriptState->isolate(), value1);
+    v8::Local<v8::Value> value2Handle = v8::Number::New(scriptState->isolate(), value2);
+    v8::Local<v8::Value> stringHandle = v8String(scriptState->isolate(), string);
+    v8::Local<v8::Value> argv[] = { documentHandle, nodeHandle, value1Handle, value2Handle, stringHandle };
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "nodeMethodWithVariousArgumentsImplementedInPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "nodeMethodWithVariousArgumentsImplementedInPrivateScript", holder, 5, argv);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "nodeMethodWithVariousArgumentsImplementedInPrivateScript", holder, 5, argv);
     if (v8Value.IsEmpty())
         return false;
     Node* cppValue = V8Node::toImplWithTypeCheck(scriptState->isolate(), v8Value);
     *result = cppValue;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestObject::PrivateScript::methodForPrivateScriptOnlyMethod(LocalFrame* frame, TestObject* holderImpl, int value1, int value2, int* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
-    v8::Handle<v8::Value> value1Handle = v8::Integer::New(scriptState->isolate(), value1);
-    v8::Handle<v8::Value> value2Handle = v8::Integer::New(scriptState->isolate(), value2);
-    v8::Handle<v8::Value> argv[] = { value1Handle, value2Handle };
+    v8::Local<v8::Value> value1Handle = v8::Integer::New(scriptState->isolate(), value1);
+    v8::Local<v8::Value> value2Handle = v8::Integer::New(scriptState->isolate(), value2);
+    v8::Local<v8::Value> argv[] = { value1Handle, value2Handle };
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodForPrivateScriptOnly", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "methodForPrivateScriptOnly", holder, 2, argv);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, scriptStateInUserScript, "TestObject", "methodForPrivateScriptOnly", holder, 2, argv);
     if (v8Value.IsEmpty())
         return false;
     TONATIVE_DEFAULT_EXCEPTIONSTATE(int, cppValue, toInt16(v8Value, exceptionState), exceptionState, false);
     *result = cppValue;
     RELEASE_ASSERT(!exceptionState.hadException());
     return true;
 }
 
 bool V8TestObject::PrivateScript::readonlyShortAttributeAttributeGetter(LocalFrame* frame, TestObject* holderImpl, int* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::GetterContext, "readonlyShortAttribute", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "readonlyShortAttribute", holder);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "readonlyShortAttribute", holder);
     if (v8Value.IsEmpty())
         return false;
     TONATIVE_DEFAULT_EXCEPTIONSTATE(int, cppValue, toInt16(v8Value, exceptionState), exceptionState, false);
     RELEASE_ASSERT(!exceptionState.hadException());
     *result = cppValue;
     return true;
 }
 
 bool V8TestObject::PrivateScript::shortAttributeAttributeGetter(LocalFrame* frame, TestObject* holderImpl, int* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::GetterContext, "shortAttribute", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "shortAttribute", holder);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "shortAttribute", holder);
     if (v8Value.IsEmpty())
         return false;
     TONATIVE_DEFAULT_EXCEPTIONSTATE(int, cppValue, toInt16(v8Value, exceptionState), exceptionState, false);
     RELEASE_ASSERT(!exceptionState.hadException());
     *result = cppValue;
     return true;
 }
 
 bool V8TestObject::PrivateScript::shortAttributeAttributeSetter(LocalFrame* frame, TestObject* holderImpl, int cppValue)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "shortAttribute", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "shortAttribute", holder, v8::Integer::New(scriptState->isolate(), cppValue));
 }
 
 bool V8TestObject::PrivateScript::stringAttributeAttributeGetter(LocalFrame* frame, TestObject* holderImpl, String* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::GetterContext, "stringAttribute", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "stringAttribute", holder);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "stringAttribute", holder);
     if (v8Value.IsEmpty())
         return false;
     TOSTRING_DEFAULT(V8StringResource<>, cppValue, v8Value, false);
     RELEASE_ASSERT(!exceptionState.hadException());
     *result = cppValue;
     return true;
 }
 
 bool V8TestObject::PrivateScript::stringAttributeAttributeSetter(LocalFrame* frame, TestObject* holderImpl, String cppValue)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "stringAttribute", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "stringAttribute", holder, v8String(scriptState->isolate(), cppValue));
 }
 
 bool V8TestObject::PrivateScript::nodeAttributeAttributeGetter(LocalFrame* frame, TestObject* holderImpl, RefPtrWillBeRawPtr<Node>* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::GetterContext, "nodeAttribute", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "nodeAttribute", holder);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "nodeAttribute", holder);
     if (v8Value.IsEmpty())
         return false;
     Node* cppValue = V8Node::toImplWithTypeCheck(scriptState->isolate(), v8Value);
     RELEASE_ASSERT(!exceptionState.hadException());
     *result = cppValue;
     return true;
 }
 
 bool V8TestObject::PrivateScript::nodeAttributeAttributeSetter(LocalFrame* frame, TestObject* holderImpl, PassRefPtrWillBeRawPtr<Node> cppValue)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "nodeAttribute", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "nodeAttribute", holder, toV8(cppValue, scriptState->context()->Global(), scriptState->isolate()));
 }
 
 bool V8TestObject::PrivateScript::attributeForPrivateScriptOnlyAttributeGetter(LocalFrame* frame, TestObject* holderImpl, String* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::GetterContext, "attributeForPrivateScriptOnly", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "attributeForPrivateScriptOnly", holder);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "attributeForPrivateScriptOnly", holder);
     if (v8Value.IsEmpty())
         return false;
     TOSTRING_DEFAULT(V8StringResource<>, cppValue, v8Value, false);
     RELEASE_ASSERT(!exceptionState.hadException());
     *result = cppValue;
     return true;
 }
 
 bool V8TestObject::PrivateScript::attributeForPrivateScriptOnlyAttributeSetter(LocalFrame* frame, TestObject* holderImpl, String cppValue)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "attributeForPrivateScriptOnly", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "attributeForPrivateScriptOnly", holder, v8String(scriptState->isolate(), cppValue));
 }
 
 bool V8TestObject::PrivateScript::enumForPrivateScriptAttributeGetter(LocalFrame* frame, TestObject* holderImpl, String* result)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::GetterContext, "enumForPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
-    v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "enumForPrivateScript", holder);
+    v8::Local<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, scriptStateInUserScript, "TestObject", "enumForPrivateScript", holder);
     if (v8Value.IsEmpty())
         return false;
     TOSTRING_DEFAULT(V8StringResource<>, cppValue, v8Value, false);
     RELEASE_ASSERT(!exceptionState.hadException());
     *result = cppValue;
     return true;
 }
 
 bool V8TestObject::PrivateScript::enumForPrivateScriptAttributeSetter(LocalFrame* frame, TestObject* holderImpl, String cppValue)
 {
     if (!frame)
         return false;
     v8::HandleScope handleScope(toIsolate(frame));
     ScriptForbiddenScope::AllowUserAgentScript script;
-    v8::Handle<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
+    v8::Local<v8::Context> contextInPrivateScript = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
     if (contextInPrivateScript.IsEmpty())
         return false;
     ScriptState* scriptState = ScriptState::from(contextInPrivateScript);
     ScriptState* scriptStateInUserScript = ScriptState::forMainWorld(frame);
     if (!scriptState->executionContext())
         return false;
 
     ScriptState::Scope scope(scriptState);
-    v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
+    v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "enumForPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "enumForPrivateScript", holder, v8String(scriptState->isolate(), cppValue));
 }
 
 } // namespace blink