Make event names of TRACE_EVENT_SAMPLING_STATE macros more descriptive

Source/bindings/tests/results/V8TestObject.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 89 matching lines @@
 static void readOnlyLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->readOnlyLongAttr());
 }
 
 static void readOnlyLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::readOnlyLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void readOnlyStringAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->readOnlyStringAttr(), info.GetIsolate());
 }
 
 static void readOnlyStringAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::readOnlyStringAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void readOnlyTestObjectAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     RefPtr<TestObj> result = imp->readOnlyTestObjectAttr();
     if (result && DOMDataStore::setReturnValueFromWrapper<V8TestObject>(info.GetReturnValue(), result.get()))
         return;
     v8::Handle<v8::Value> wrapper = toV8(result.get(), info.Holder(), info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenPropertyName::setNamedHiddenReference(info.Holder(), "readOnlyTestObjectAttr", wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void readOnlyTestObjectAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::readOnlyTestObjectAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void staticReadOnlyLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValueInt(info, TestObj::staticReadOnlyLongAttr());
 }
 
 static void staticReadOnlyLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::staticReadOnlyLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void staticStringAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValueString(info, TestObj::staticStringAttr(), info.GetIsolate());
 }
 
 static void staticStringAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::staticStringAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void staticStringAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     TestObj::setStaticStringAttr(cppValue);
 }
 
 static void staticStringAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::staticStringAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enumAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->enumAttr(), info.GetIsolate());
 }
 
 static void enumAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enumAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enumAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     String string = cppValue;
     if (!(string == "" || string == "EnumValue1" || string == "EnumValue2" || string == "EnumValue3"))
         return;
     imp->setEnumAttr(cppValue);
 }
 
 static void enumAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enumAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void readOnlyEnumAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->readOnlyEnumAttr(), info.GetIsolate());
 }
 
 static void readOnlyEnumAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::readOnlyEnumAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void byteAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->byteAttr());
 }
 
 static void byteAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::byteAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void byteAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "byteAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt8(jsValue, exceptionState), exceptionState);
     imp->setByteAttr(cppValue);
 }
 
 static void byteAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::byteAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void octetAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->octetAttr());
 }
 
 static void octetAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::octetAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void octetAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "octetAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt8(jsValue, exceptionState), exceptionState);
     imp->setOctetAttr(cppValue);
 }
 
 static void octetAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::octetAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void shortAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->shortAttr());
 }
 
 static void shortAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::shortAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void shortAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "shortAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt16(jsValue, exceptionState), exceptionState);
     imp->setShortAttr(cppValue);
 }
 
 static void shortAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::shortAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void unsignedShortAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->unsignedShortAttr());
 }
 
 static void unsignedShortAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::unsignedShortAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void unsignedShortAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedShortAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt16(jsValue, exceptionState), exceptionState);
     imp->setUnsignedShortAttr(cppValue);
 }
 
 static void unsignedShortAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::unsignedShortAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void longAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->longAttr());
 }
 
 static void longAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::longAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void longAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "longAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setLongAttr(cppValue);
 }
 
 static void longAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::longAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void longLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, static_cast<double>(imp->longLongAttr()));
 }
 
 static void longLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::longLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void longLongAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "longLongAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(long long, cppValue, toInt64(jsValue, exceptionState), exceptionState);
     imp->setLongLongAttr(cppValue);
 }
 
 static void longLongAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::longLongAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void unsignedLongLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, static_cast<double>(imp->unsignedLongLongAttr()));
 }
 
 static void unsignedLongLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::unsignedLongLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void unsignedLongLongAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "unsignedLongLongAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned long long, cppValue, toUInt64(jsValue, exceptionState), exceptionState);
     imp->setUnsignedLongLongAttr(cppValue);
 }
 
 static void unsignedLongLongAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::unsignedLongLongAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->stringAttr(), info.GetIsolate());
 }
 
 static void stringAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::stringAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     imp->setStringAttr(cppValue);
 }
 
 static void stringAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::stringAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void eventHandlerAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     EventListener* jsValue = imp->eventHandlerAttr(isolatedWorldForIsolate(info.GetIsolate()));
     v8SetReturnValue(info, jsValue ? v8::Handle<v8::Value>(V8AbstractEventListener::cast(jsValue)->getListenerObject(imp->executionContext())) : v8::Handle<v8::Value>(v8::Null(info.GetIsolate())));
 }
 
 static void eventHandlerAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::eventHandlerAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void eventHandlerAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     transferHiddenDependency(info.Holder(), imp->eventHandlerAttr(isolatedWorldForIsolate(info.GetIsolate())), jsValue, V8TestObject::eventListenerCacheIndex, info.GetIsolate());
     imp->setEventHandlerAttr(V8EventListenerList::getEventListener(jsValue, true, ListenerFindOrCreate), isolatedWorldForIsolate(info.GetIsolate()));
 }
 
 static void eventHandlerAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::eventHandlerAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void testObjAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->testObjAttr(), imp);
 }
 
 static void testObjAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::count(activeExecutionContext(), UseCounter::TestFeature);
     TestObjV8Internal::testObjAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void testObjAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     imp->setTestObjAttr(WTF::getPtr(cppValue));
 }
 
 static void testObjAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     UseCounter::count(activeExecutionContext(), UseCounter::TestFeature);
     TestObjV8Internal::testObjAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void attrWithJSGetterAndSetterAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->attrWithJSGetterAndSetter(), info.GetIsolate());
 }
 
 static void attrWithJSGetterAndSetterAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::attrWithJSGetterAndSetterAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void attrWithJSGetterAndSetterAttributeSetter(v8::Local<v8::Value> jsValue, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     imp->setAttrWithJSGetterAndSetter(cppValue);
 }
 
 static void attrWithJSGetterAndSetterAttributeSetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Value> jsValue = info[0];
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::attrWithJSGetterAndSetterAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void XMLObjAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->xmlObjAttr(), imp);
 }
 
 static void XMLObjAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::XMLObjAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void XMLObjAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     imp->setXMLObjAttr(WTF::getPtr(cppValue));
 }
 
 static void XMLObjAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::XMLObjAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void createAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueBool(info, imp->isCreate());
 }
 
 static void createAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::createAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void createAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(bool, cppValue, jsValue->BooleanValue());
     imp->setCreate(cppValue);
 }
 
 static void createAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::createAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedStringAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->fastGetAttribute(HTMLNames::reflectedstringattrAttr), info.GetIsolate());
 }
 
 static void reflectedStringAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedStringAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedStringAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::reflectedstringattrAttr, cppValue);
 }
 
 static void reflectedStringAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedStringAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedIntegralAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->getIntegralAttribute(HTMLNames::reflectedintegralattrAttr));
 }
 
 static void reflectedIntegralAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedIntegralAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedIntegralAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "reflectedIntegralAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setIntegralAttribute(HTMLNames::reflectedintegralattrAttr, cppValue);
 }
 
 static void reflectedIntegralAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedIntegralAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedUnsignedIntegralAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, std::max(0, imp->getIntegralAttribute(HTMLNames::reflectedunsignedintegralattrAttr)));
 }
 
 static void reflectedUnsignedIntegralAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedUnsignedIntegralAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedUnsignedIntegralAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "reflectedUnsignedIntegralAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt32(jsValue, exceptionState), exceptionState);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setUnsignedIntegralAttribute(HTMLNames::reflectedunsignedintegralattrAttr, cppValue);
 }
 
 static void reflectedUnsignedIntegralAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedUnsignedIntegralAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedBooleanAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueBool(info, imp->fastHasAttribute(HTMLNames::reflectedbooleanattrAttr));
 }
 
 static void reflectedBooleanAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedBooleanAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedBooleanAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(bool, cppValue, jsValue->BooleanValue());
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setBooleanAttribute(HTMLNames::reflectedbooleanattrAttr, cppValue);
 }
 
 static void reflectedBooleanAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedBooleanAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedURLAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->getURLAttribute(HTMLNames::reflectedurlattrAttr), info.GetIsolate());
 }
 
 static void reflectedURLAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedURLAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedURLAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::reflectedurlattrAttr, cppValue);
 }
 
 static void reflectedURLAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedURLAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedStringAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->fastGetAttribute(HTMLNames::customContentStringAttrAttr), info.GetIsolate());
 }
 
 static void reflectedStringAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedStringAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedStringAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::customContentStringAttrAttr, cppValue);
 }
 
 static void reflectedStringAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedStringAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedCustomIntegralAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->getIntegralAttribute(HTMLNames::customContentIntegralAttrAttr));
 }
 
 static void reflectedCustomIntegralAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedCustomIntegralAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedCustomIntegralAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "reflectedCustomIntegralAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setIntegralAttribute(HTMLNames::customContentIntegralAttrAttr, cppValue);
 }
 
 static void reflectedCustomIntegralAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedCustomIntegralAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedCustomBooleanAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueBool(info, imp->fastHasAttribute(HTMLNames::customContentBooleanAttrAttr));
 }
 
 static void reflectedCustomBooleanAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedCustomBooleanAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedCustomBooleanAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(bool, cppValue, jsValue->BooleanValue());
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setBooleanAttribute(HTMLNames::customContentBooleanAttrAttr, cppValue);
 }
 
 static void reflectedCustomBooleanAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedCustomBooleanAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedCustomURLAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->getURLAttribute(HTMLNames::customContentURLAttrAttr), info.GetIsolate());
 }
 
 static void reflectedCustomURLAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::reflectedCustomURLAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void reflectedCustomURLAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::customContentURLAttrAttr, cppValue);
 }
 
 static void reflectedCustomURLAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::reflectedCustomURLAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedToOnlyOneAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::limitedtoonlyoneattributeAttr);
     if (resultValue.isEmpty()) {
         ;
     } else if (equalIgnoringCase(resultValue, "unique")) {
         resultValue = "unique";
     } else {
         resultValue = "";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void limitedToOnlyOneAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::limitedToOnlyOneAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedToOnlyOneAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::limitedtoonlyoneattributeAttr, cppValue);
 }
 
 static void limitedToOnlyOneAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::limitedToOnlyOneAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedToOnlyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::limitedtoonlyattributeAttr);
     if (resultValue.isEmpty()) {
         ;
     } else if (equalIgnoringCase(resultValue, "Per")) {
         resultValue = "Per";
     } else if (equalIgnoringCase(resultValue, "Paal")) {
         resultValue = "Paal";
     } else if (equalIgnoringCase(resultValue, "Espen")) {
         resultValue = "Espen";
     } else {
         resultValue = "";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void limitedToOnlyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::limitedToOnlyAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedToOnlyAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::limitedtoonlyattributeAttr, cppValue);
 }
 
 static void limitedToOnlyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::limitedToOnlyAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedToOnlyOtherAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::OtherAttr);
     if (resultValue.isEmpty()) {
         ;
     } else if (equalIgnoringCase(resultValue, "Value1")) {
         resultValue = "Value1";
     } else if (equalIgnoringCase(resultValue, "Value2")) {
         resultValue = "Value2";
     } else {
         resultValue = "";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void limitedToOnlyOtherAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::limitedToOnlyOtherAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedToOnlyOtherAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::OtherAttr, cppValue);
 }
 
 static void limitedToOnlyOtherAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::limitedToOnlyOtherAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedWithMissingDefaultAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::limitedwithmissingdefaultattributeAttr);
     if (resultValue.isEmpty()) {
         resultValue = "rsa";
     } else if (equalIgnoringCase(resultValue, "rsa")) {
         resultValue = "rsa";
     } else if (equalIgnoringCase(resultValue, "dsa")) {
         resultValue = "dsa";
     } else {
         resultValue = "";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void limitedWithMissingDefaultAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::limitedWithMissingDefaultAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedWithMissingDefaultAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::limitedwithmissingdefaultattributeAttr, cppValue);
 }
 
 static void limitedWithMissingDefaultAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::limitedWithMissingDefaultAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::limitedwithinvalidmissingdefaultattributeAttr);
     if (resultValue.isEmpty()) {
         resultValue = "auto";
     } else if (equalIgnoringCase(resultValue, "ltr")) {
         resultValue = "ltr";
     } else if (equalIgnoringCase(resultValue, "rtl")) {
         resultValue = "rtl";
     } else if (equalIgnoringCase(resultValue, "auto")) {
         resultValue = "auto";
     } else {
         resultValue = "ltr";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::limitedWithInvalidMissingDefaultAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::limitedwithinvalidmissingdefaultattributeAttr, cppValue);
 }
 
 static void limitedWithInvalidMissingDefaultAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::limitedWithInvalidMissingDefaultAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedWithInvalidAndMissingDefaultAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::limitedwithinvalidandmissingdefaultattributeAttr);
     if (resultValue.isEmpty()) {
         resultValue = "left";
     } else if (equalIgnoringCase(resultValue, "left")) {
         resultValue = "left";
     } else if (equalIgnoringCase(resultValue, "right")) {
         resultValue = "right";
     } else {
         resultValue = "left";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void limitedWithInvalidAndMissingDefaultAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::limitedWithInvalidAndMissingDefaultAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedWithInvalidAndMissingDefaultAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     imp->setAttribute(HTMLNames::limitedwithinvalidandmissingdefaultattributeAttr, cppValue);
 }
 
 static void limitedWithInvalidAndMissingDefaultAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     TestObjV8Internal::limitedWithInvalidAndMissingDefaultAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void corsSettingAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::corssettingattributeAttr);
     if (resultValue.isNull()) {
         ;
     } else if (resultValue.isEmpty()) {
         resultValue = "anonymous";
     } else if (equalIgnoringCase(resultValue, "anonymous")) {
         resultValue = "anonymous";
     } else if (equalIgnoringCase(resultValue, "use-credentials")) {
         resultValue = "use-credentials";
     } else {
         resultValue = "anonymous";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void corsSettingAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::corsSettingAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void limitedWithEmptyMissingInvalidAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     String resultValue = imp->fastGetAttribute(HTMLNames::limitedwithemptymissinginvalidattributeAttr);
     if (resultValue.isNull()) {
         resultValue = "missing";
     } else if (resultValue.isEmpty()) {
         resultValue = "empty";
     } else if (equalIgnoringCase(resultValue, "empty")) {
         resultValue = "empty";
     } else if (equalIgnoringCase(resultValue, "missing")) {
         resultValue = "missing";
     } else if (equalIgnoringCase(resultValue, "invalid")) {
         resultValue = "invalid";
     } else if (equalIgnoringCase(resultValue, "a-normal")) {
         resultValue = "a-normal";
     } else {
         resultValue = "invalid";
     }
     v8SetReturnValueString(info, resultValue, info.GetIsolate());
 }
 
 static void limitedWithEmptyMissingInvalidAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::limitedWithEmptyMissingInvalidAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void typedArrayAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->typedArrayAttr(), imp);
 }
 
 static void typedArrayAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::typedArrayAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void typedArrayAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Float32Array*, cppValue, jsValue->IsFloat32Array() ? V8Float32Array::toNative(v8::Handle<v8::Float32Array>::Cast(jsValue)) : 0);
     imp->setTypedArrayAttr(WTF::getPtr(cppValue));
 }
 
 static void typedArrayAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::typedArrayAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void attrWithGetterExceptionAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExceptionState exceptionState(ExceptionState::GetterContext, "attrWithGetterException", "TestObject", info.Holder(), info.GetIsolate());
     int jsValue = imp->attrWithGetterException(exceptionState);
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     v8SetReturnValueInt(info, jsValue);
 }
 
 static void attrWithGetterExceptionAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::attrWithGetterExceptionAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void attrWithGetterExceptionAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "attrWithGetterException", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setAttrWithGetterException(cppValue);
 }
 
 static void attrWithGetterExceptionAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::attrWithGetterExceptionAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void attrWithSetterExceptionAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->attrWithSetterException());
 }
 
 static void attrWithSetterExceptionAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::attrWithSetterExceptionAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void attrWithSetterExceptionAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "attrWithSetterException", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setAttrWithSetterException(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void attrWithSetterExceptionAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::attrWithSetterExceptionAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringAttrWithGetterExceptionAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExceptionState exceptionState(ExceptionState::GetterContext, "stringAttrWithGetterException", "TestObject", info.Holder(), info.GetIsolate());
     String jsValue = imp->stringAttrWithGetterException(exceptionState);
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     v8SetReturnValueString(info, jsValue, info.GetIsolate());
 }
 
 static void stringAttrWithGetterExceptionAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::stringAttrWithGetterExceptionAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringAttrWithGetterExceptionAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     imp->setStringAttrWithGetterException(cppValue);
 }
 
 static void stringAttrWithGetterExceptionAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::stringAttrWithGetterExceptionAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringAttrWithSetterExceptionAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->stringAttrWithSetterException(), info.GetIsolate());
 }
 
 static void stringAttrWithSetterExceptionAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::stringAttrWithSetterExceptionAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringAttrWithSetterExceptionAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "stringAttrWithSetterException", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     imp->setStringAttrWithSetterException(cppValue, exceptionState);
     exceptionState.throwIfNeeded();
 }
 
 static void stringAttrWithSetterExceptionAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::stringAttrWithSetterExceptionAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void customAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8TestObject::customAttrAttributeGetterCustom(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void customAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8TestObject::customAttrAttributeSetterCustom(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return v8Undefined();
     ScriptState& state = *currentState;
     v8SetReturnValueInt(info, imp->withScriptStateAttribute(&state));
 }
 
 static void withScriptStateAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withScriptStateAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "withScriptStateAttribute", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     imp->setWithScriptStateAttribute(&state, cppValue);
     if (state.hadException())
         throwError(state.exception(), info.GetIsolate());
 }
 
 static void withScriptStateAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withScriptStateAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExecutionContext* scriptContext = getExecutionContext();
     v8SetReturnValueFast(info, imp->withExecutionContextAttribute(scriptContext), imp);
 }
 
 static void withExecutionContextAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withExecutionContextAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     ExecutionContext* scriptContext = getExecutionContext();
     imp->setWithExecutionContextAttribute(scriptContext, WTF::getPtr(cppValue));
 }
 
 static void withExecutionContextAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withExecutionContextAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withActiveWindowAndFirstWindowAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->withActiveWindowAndFirstWindowAttribute(), imp);
 }
 
 static void withActiveWindowAndFirstWindowAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withActiveWindowAndFirstWindowAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withActiveWindowAndFirstWindowAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     imp->setWithActiveWindowAndFirstWindowAttribute(activeDOMWindow(), firstDOMWindow(), WTF::getPtr(cppValue));
 }
 
 static void withActiveWindowAndFirstWindowAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withActiveWindowAndFirstWindowAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateAttributeRaisesAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExceptionState exceptionState(ExceptionState::GetterContext, "withScriptStateAttributeRaises", "TestObject", info.Holder(), info.GetIsolate());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return v8Undefined();
     ScriptState& state = *currentState;
     RefPtr<TestObj> jsValue = imp->withScriptStateAttributeRaises(&state, exceptionState);
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     if (state.hadException()) {
         throwError(state.exception(), info.GetIsolate());
         return;
     }
     v8SetReturnValueFast(info, jsValue.release(), imp);
 }
 
 static void withScriptStateAttributeRaisesAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withScriptStateAttributeRaisesAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateAttributeRaisesAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     imp->setWithScriptStateAttributeRaises(&state, WTF::getPtr(cppValue));
     if (state.hadException())
         throwError(state.exception(), info.GetIsolate());
 }
 
 static void withScriptStateAttributeRaisesAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withScriptStateAttributeRaisesAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAttributeRaisesAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExceptionState exceptionState(ExceptionState::GetterContext, "withExecutionContextAttributeRaises", "TestObject", info.Holder(), info.GetIsolate());
     ExecutionContext* scriptContext = getExecutionContext();
     RefPtr<TestObj> jsValue = imp->withExecutionContextAttributeRaises(scriptContext, exceptionState);
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     v8SetReturnValueFast(info, jsValue.release(), imp);
 }
 
 static void withExecutionContextAttributeRaisesAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withExecutionContextAttributeRaisesAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAttributeRaisesAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     ExecutionContext* scriptContext = getExecutionContext();
     imp->setWithExecutionContextAttributeRaises(scriptContext, WTF::getPtr(cppValue));
 }
 
 static void withExecutionContextAttributeRaisesAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withExecutionContextAttributeRaisesAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return v8Undefined();
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     v8SetReturnValueFast(info, imp->withExecutionContextAndScriptStateAttribute(&state, scriptContext), imp);
 }
 
 static void withExecutionContextAndScriptStateAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withExecutionContextAndScriptStateAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     imp->setWithExecutionContextAndScriptStateAttribute(&state, scriptContext, WTF::getPtr(cppValue));
     if (state.hadException())
         throwError(state.exception(), info.GetIsolate());
 }
 
 static void withExecutionContextAndScriptStateAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withExecutionContextAndScriptStateAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateAttributeRaisesAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExceptionState exceptionState(ExceptionState::GetterContext, "withExecutionContextAndScriptStateAttributeRaises", "TestObject", info.Holder(), info.GetIsolate());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return v8Undefined();
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     RefPtr<TestObj> jsValue = imp->withExecutionContextAndScriptStateAttributeRaises(&state, scriptContext, exceptionState);
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     if (state.hadException()) {
         throwError(state.exception(), info.GetIsolate());
         return;
     }
     v8SetReturnValueFast(info, jsValue.release(), imp);
 }
 
 static void withExecutionContextAndScriptStateAttributeRaisesAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withExecutionContextAndScriptStateAttributeRaisesAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateAttributeRaisesAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     imp->setWithExecutionContextAndScriptStateAttributeRaises(&state, scriptContext, WTF::getPtr(cppValue));
     if (state.hadException())
         throwError(state.exception(), info.GetIsolate());
 }
 
 static void withExecutionContextAndScriptStateAttributeRaisesAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withExecutionContextAndScriptStateAttributeRaisesAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateWithSpacesAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return v8Undefined();
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     v8SetReturnValueFast(info, imp->withExecutionContextAndScriptStateWithSpacesAttribute(&state, scriptContext), imp);
 }
 
 static void withExecutionContextAndScriptStateWithSpacesAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::withExecutionContextAndScriptStateWithSpacesAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateWithSpacesAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     imp->setWithExecutionContextAndScriptStateWithSpacesAttribute(&state, scriptContext, WTF::getPtr(cppValue));
     if (state.hadException())
         throwError(state.exception(), info.GetIsolate());
 }
 
 static void withExecutionContextAndScriptStateWithSpacesAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::withExecutionContextAndScriptStateWithSpacesAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeByteAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->enforcedRangeByteAttr());
 }
 
 static void enforcedRangeByteAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeByteAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeByteAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeByteAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt8(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeByteAttr(cppValue);
 }
 
 static void enforcedRangeByteAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeByteAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeOctetAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->enforcedRangeOctetAttr());
 }
 
 static void enforcedRangeOctetAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeOctetAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeOctetAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeOctetAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt8(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeOctetAttr(cppValue);
 }
 
 static void enforcedRangeOctetAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeOctetAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeShortAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->enforcedRangeShortAttr());
 }
 
 static void enforcedRangeShortAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeShortAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeShortAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeShortAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt16(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeShortAttr(cppValue);
 }
 
 static void enforcedRangeShortAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeShortAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeUnsignedShortAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->enforcedRangeUnsignedShortAttr());
 }
 
 static void enforcedRangeUnsignedShortAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeUnsignedShortAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeUnsignedShortAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeUnsignedShortAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt16(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeUnsignedShortAttr(cppValue);
 }
 
 static void enforcedRangeUnsignedShortAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeUnsignedShortAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->enforcedRangeLongAttr());
 }
 
 static void enforcedRangeLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeLongAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeLongAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeLongAttr(cppValue);
 }
 
 static void enforcedRangeLongAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeLongAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeUnsignedLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueUnsigned(info, imp->enforcedRangeUnsignedLongAttr());
 }
 
 static void enforcedRangeUnsignedLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeUnsignedLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeUnsignedLongAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeUnsignedLongAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, cppValue, toUInt32(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeUnsignedLongAttr(cppValue);
 }
 
 static void enforcedRangeUnsignedLongAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeUnsignedLongAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeLongLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, static_cast<double>(imp->enforcedRangeLongLongAttr()));
 }
 
 static void enforcedRangeLongLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeLongLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeLongLongAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeLongLongAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(long long, cppValue, toInt64(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeLongLongAttr(cppValue);
 }
 
 static void enforcedRangeLongLongAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeLongLongAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeUnsignedLongLongAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, static_cast<double>(imp->enforcedRangeUnsignedLongLongAttr()));
 }
 
 static void enforcedRangeUnsignedLongLongAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enforcedRangeUnsignedLongLongAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enforcedRangeUnsignedLongLongAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enforcedRangeUnsignedLongLongAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned long long, cppValue, toUInt64(jsValue, EnforceRange, exceptionState), exceptionState);
     imp->setEnforcedRangeUnsignedLongLongAttr(cppValue);
 }
 
 static void enforcedRangeUnsignedLongLongAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enforcedRangeUnsignedLongLongAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 #if ENABLE(Condition1)
 static void conditionalAttr1AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->conditionalAttr1());
 }
 #endif // ENABLE(Condition1)
 
 #if ENABLE(Condition1)
 static void conditionalAttr1AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::conditionalAttr1AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1)
 
 #if ENABLE(Condition1)
 static void conditionalAttr1AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalAttr1", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setConditionalAttr1(cppValue);
 }
 #endif // ENABLE(Condition1)
 
 #if ENABLE(Condition1)
 static void conditionalAttr1AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::conditionalAttr1AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1)
 
 #if ENABLE(Condition1) && ENABLE(Condition2)
 static void conditionalAttr2AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->conditionalAttr2());
 }
 #endif // ENABLE(Condition1) && ENABLE(Condition2)
 
 #if ENABLE(Condition1) && ENABLE(Condition2)
 static void conditionalAttr2AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::conditionalAttr2AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1) && ENABLE(Condition2)
 
 #if ENABLE(Condition1) && ENABLE(Condition2)
 static void conditionalAttr2AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalAttr2", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setConditionalAttr2(cppValue);
 }
 #endif // ENABLE(Condition1) && ENABLE(Condition2)
 
 #if ENABLE(Condition1) && ENABLE(Condition2)
 static void conditionalAttr2AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::conditionalAttr2AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1) && ENABLE(Condition2)
 
 #if ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 static void conditionalAttr3AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->conditionalAttr3());
 }
 #endif // ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 
 #if ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 static void conditionalAttr3AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::conditionalAttr3AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 
 #if ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 static void conditionalAttr3AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "conditionalAttr3", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setConditionalAttr3(cppValue);
 }
 #endif // ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 
 #if ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 static void conditionalAttr3AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::conditionalAttr3AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1) || ENABLE(Condition2) || ENABLE(Condition3)
 
 static void cachedAttribute1AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, imp->cachedAttribute1().v8Value());
 }
 
 static void cachedAttribute1AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::cachedAttribute1AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void cachedAttribute2AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, imp->cachedAttribute2().v8Value());
 }
 
 static void cachedAttribute2AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::cachedAttribute2AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void cachedDirtyableAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedDirtyableAttribute");
     TestObj* imp = V8TestObject::toNative(info.Holder());
     if (!imp->isValueDirty()) {
         v8::Handle<v8::Value> jsValue = info.Holder()->GetHiddenValue(propertyName);
         if (!jsValue.IsEmpty()) {
             v8SetReturnValue(info, jsValue);
             return;
         }
     }
     ScriptValue jsValue = imp->cachedDirtyableAttribute();
     info.Holder()->SetHiddenValue(propertyName, jsValue.v8Value());
     v8SetReturnValue(info, jsValue.v8Value());
 }
 
 static void cachedDirtyableAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::cachedDirtyableAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void cachedDirtyableAttributeRaisesAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "cachedDirtyableAttributeRaises");
     TestObj* imp = V8TestObject::toNative(info.Holder());
     if (!imp->isValueDirty()) {
         v8::Handle<v8::Value> jsValue = info.Holder()->GetHiddenValue(propertyName);
         if (!jsValue.IsEmpty()) {
             v8SetReturnValue(info, jsValue);
             return;
         }
     }
     ExceptionState exceptionState(ExceptionState::GetterContext, "cachedDirtyableAttributeRaises", "TestObject", info.Holder(), info.GetIsolate());
     ScriptValue jsValue = imp->cachedDirtyableAttributeRaises(exceptionState);
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     info.Holder()->SetHiddenValue(propertyName, jsValue.v8Value());
     v8SetReturnValue(info, jsValue.v8Value());
 }
 
 static void cachedDirtyableAttributeRaisesAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::cachedDirtyableAttributeRaisesAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void anyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, imp->anyAttribute().v8Value());
 }
 
 static void anyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::anyAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void anyAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ScriptValue, cppValue, ScriptValue(jsValue, info.GetIsolate()));
     imp->setAnyAttribute(cppValue);
 }
 
 static void anyAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::anyAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void callbackFunctionAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, imp->callbackFunctionAttribute().v8Value());
 }
 
 static void callbackFunctionAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::callbackFunctionAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void callbackFunctionAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ScriptValue, cppValue, ScriptValue(jsValue, info.GetIsolate()));
     imp->setCallbackFunctionAttribute(cppValue);
 }
 
 static void callbackFunctionAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::callbackFunctionAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enabledAtRuntimeAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->enabledAtRuntimeAttr());
 }
 
 static void enabledAtRuntimeAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enabledAtRuntimeAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enabledAtRuntimeAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enabledAtRuntimeAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setEnabledAtRuntimeAttr(cppValue);
 }
 
 static void enabledAtRuntimeAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enabledAtRuntimeAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enabledPerContextAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->enabledPerContextAttr());
 }
 
 static void enabledPerContextAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::enabledPerContextAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enabledPerContextAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "enabledPerContextAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setEnabledPerContextAttr(cppValue);
 }
 
 static void enabledPerContextAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::enabledPerContextAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void floatArrayAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, v8Array(imp->floatArray(), info.GetIsolate()));
 }
 
 static void floatArrayAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::floatArrayAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void floatArrayAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<float>, cppValue, toNativeArray<float>(jsValue, 0, info.GetIsolate()));
     imp->setFloatArray(cppValue);
 }
 
 static void floatArrayAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::floatArrayAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void doubleArrayAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, v8Array(imp->doubleArray(), info.GetIsolate()));
 }
 
 static void doubleArrayAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::doubleArrayAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void doubleArrayAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<double>, cppValue, toNativeArray<double>(jsValue, 0, info.GetIsolate()));
     imp->setDoubleArray(cppValue);
 }
 
 static void doubleArrayAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::doubleArrayAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void messagePortArrayAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, v8Array(imp->messagePortArray(), info.GetIsolate()));
 }
 
 static void messagePortArrayAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::messagePortArrayAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void messagePortArrayAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<RefPtr<MessagePort> >, cppValue, (toRefPtrNativeArray<MessagePort, V8MessagePort>(jsValue, 0, info.GetIsolate())));
     imp->setMessagePortArray(cppValue);
 }
 
 static void messagePortArrayAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::messagePortArrayAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void contentDocumentAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExceptionState exceptionState(ExceptionState::GetterContext, "contentDocument", "TestObject", info.Holder(), info.GetIsolate());
     if (!BindingSecurity::shouldAllowAccessToNode(imp->contentDocument(), exceptionState)) {
         v8SetReturnValueNull(info);
         exceptionState.throwIfNeeded();
         return;
     }
     v8SetReturnValueFast(info, imp->contentDocument(), imp);
 }
 
 static void contentDocumentAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::contentDocumentAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void strawberryAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->blueberry());
 }
 
 static void strawberryAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::strawberryAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void strawberryAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "strawberry", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setBlueberry(cppValue);
 }
 
 static void strawberryAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::strawberryAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void strictFloatAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, imp->strictFloat());
 }
 
 static void strictFloatAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::strictFloatAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void strictFloatAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(float, cppValue, static_cast<float>(jsValue->NumberValue()));
     imp->setStrictFloat(cppValue);
 }
 
 static void strictFloatAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::strictFloatAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void replaceableAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->replaceableAttribute());
 }
 
 static void replaceableAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::replaceableAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableDoubleAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     bool isNull = false;
     double jsValue = imp->nullableDoubleAttribute(isNull);
     if (isNull) {
         v8SetReturnValueNull(info);
         return;
     }
     v8SetReturnValue(info, jsValue);
 }
 
 static void nullableDoubleAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::nullableDoubleAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableLongAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     bool isNull = false;
     int jsValue = imp->nullableLongAttribute(isNull);
     if (isNull) {
         v8SetReturnValueNull(info);
         return;
     }
     v8SetReturnValueInt(info, jsValue);
 }
 
 static void nullableLongAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::nullableLongAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableBooleanAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     bool isNull = false;
     bool jsValue = imp->nullableBooleanAttribute(isNull);
     if (isNull) {
         v8SetReturnValueNull(info);
         return;
     }
     v8SetReturnValueBool(info, jsValue);
 }
 
 static void nullableBooleanAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::nullableBooleanAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     bool isNull = false;
     String jsValue = imp->nullableStringAttribute(isNull);
     if (isNull) {
         v8SetReturnValueNull(info);
         return;
     }
     v8SetReturnValueString(info, jsValue, info.GetIsolate());
 }
 
 static void nullableStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::nullableStringAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableLongSettableAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     bool isNull = false;
     int jsValue = imp->nullableLongSettableAttribute(isNull);
     if (isNull) {
         v8SetReturnValueNull(info);
         return;
     }
     v8SetReturnValueInt(info, jsValue);
 }
 
 static void nullableLongSettableAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::nullableLongSettableAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableLongSettableAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "nullableLongSettableAttribute", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setNullableLongSettableAttribute(cppValue);
 }
 
 static void nullableLongSettableAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::nullableLongSettableAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableStringValueAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExceptionState exceptionState(ExceptionState::GetterContext, "nullableStringValue", "TestObject", info.Holder(), info.GetIsolate());
     bool isNull = false;
     int jsValue = imp->nullableStringValue(isNull, exceptionState);
     if (isNull) {
         v8SetReturnValueNull(info);
         return;
     }
     if (UNLIKELY(exceptionState.throwIfNeeded()))
         return;
     v8SetReturnValueInt(info, jsValue);
 }
 
 static void nullableStringValueAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::nullableStringValueAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void nullableStringValueAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "nullableStringValue", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setNullableStringValue(cppValue);
 }
 
 static void nullableStringValueAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::nullableStringValueAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldReadOnlyAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     RefPtr<TestObj> result = imp->perWorldReadOnlyAttribute();
     if (result && DOMDataStore::setReturnValueFromWrapper<V8TestObject>(info.GetReturnValue(), result.get()))
         return;
     v8::Handle<v8::Value> wrapper = toV8(result.get(), info.Holder(), info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenPropertyName::setNamedHiddenReference(info.Holder(), "perWorldReadOnlyAttribute", wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void perWorldReadOnlyAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::perWorldReadOnlyAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldReadOnlyAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     RefPtr<TestObj> result = imp->perWorldReadOnlyAttribute();
     if (result && DOMDataStore::setReturnValueFromWrapperForMainWorld<V8TestObject>(info.GetReturnValue(), result.get()))
         return;
     v8::Handle<v8::Value> wrapper = toV8(result.get(), info.Holder(), info.GetIsolate());
     if (!wrapper.IsEmpty()) {
         V8HiddenPropertyName::setNamedHiddenReference(info.Holder(), "perWorldReadOnlyAttribute", wrapper);
         v8SetReturnValue(info, wrapper);
     }
 }
 
 static void perWorldReadOnlyAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::perWorldReadOnlyAttributeAttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->perWorldAttribute(), imp);
 }
 
 static void perWorldAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::perWorldAttributeAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldAttributeAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     imp->setPerWorldAttribute(WTF::getPtr(cppValue));
 }
 
 static void perWorldAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::perWorldAttributeAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldAttributeAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueForMainWorld(info, imp->perWorldAttribute());
 }
 
 static void perWorldAttributeAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::perWorldAttributeAttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldAttributeAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestObj*, cppValue, V8TestObject::hasInstance(jsValue, info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestObject::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
     imp->setPerWorldAttribute(WTF::getPtr(cppValue));
 }
 
 static void perWorldAttributeAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::perWorldAttributeAttributeSetterForMainWorld(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttr1AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttr1());
 }
 
 static void activityLoggedAttr1AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedAttr1", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedAttr1AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttr1AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttr1", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttr1(cppValue);
 }
 
 static void activityLoggedAttr1AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedAttr1", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedAttr1AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttr2AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttr2());
 }
 
 static void activityLoggedAttr2AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedAttr2", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedAttr2AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttr2AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttr2", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttr2(cppValue);
 }
 
 static void activityLoggedAttr2AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedAttr2", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedAttr2AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttr2AttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttr2());
 }
 
 static void activityLoggedAttr2AttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedAttr2", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedAttr2AttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttr2AttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttr2", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttr2(cppValue);
 }
 
 static void activityLoggedAttr2AttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedAttr2", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedAttr2AttributeSetterForMainWorld(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedInIsolatedWorldsAttr());
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedInIsolatedWorldsAttr", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedInIsolatedWorldsAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedInIsolatedWorldsAttr(cppValue);
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedInIsolatedWorldsAttr", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedInIsolatedWorldsAttr());
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrAttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedInIsolatedWorldsAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedInIsolatedWorldsAttr(cppValue);
 }
 
 static void activityLoggedInIsolatedWorldsAttrAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrAttributeSetterForMainWorld(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrSetter1AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttrSetter1());
 }
 
 static void activityLoggedAttrSetter1AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::activityLoggedAttrSetter1AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrSetter1AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttrSetter1", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttrSetter1(cppValue);
 }
 
 static void activityLoggedAttrSetter1AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedAttrSetter1", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedAttrSetter1AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrSetter2AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttrSetter2());
 }
 
 static void activityLoggedAttrSetter2AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::activityLoggedAttrSetter2AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrSetter2AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttrSetter2", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttrSetter2(cppValue);
 }
 
 static void activityLoggedAttrSetter2AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedAttrSetter2", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedAttrSetter2AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrSetter2AttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttrSetter2());
 }
 
 static void activityLoggedAttrSetter2AttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::activityLoggedAttrSetter2AttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrSetter2AttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttrSetter2", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttrSetter2(cppValue);
 }
 
 static void activityLoggedAttrSetter2AttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedAttrSetter2", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedAttrSetter2AttributeSetterForMainWorld(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedInIsolatedWorldsAttrSetter());
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrSetterAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedInIsolatedWorldsAttrSetter", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedInIsolatedWorldsAttrSetter(cppValue);
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         v8::Handle<v8::Value> loggerArg[] = { jsValue };
         contextData->activityLogger()->log("TestObject.activityLoggedInIsolatedWorldsAttrSetter", 1, &loggerArg[0], "Setter");
     }
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrSetterAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedInIsolatedWorldsAttrSetter());
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrSetterAttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedInIsolatedWorldsAttrSetter", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedInIsolatedWorldsAttrSetter(cppValue);
 }
 
 static void activityLoggedInIsolatedWorldsAttrSetterAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrSetterAttributeSetterForMainWorld(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrGetter1AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttrGetter1());
 }
 
 static void activityLoggedAttrGetter1AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedAttrGetter1", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedAttrGetter1AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrGetter1AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttrGetter1", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttrGetter1(cppValue);
 }
 
 static void activityLoggedAttrGetter1AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::activityLoggedAttrGetter1AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrGetter2AttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttrGetter2());
 }
 
 static void activityLoggedAttrGetter2AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedAttrGetter2", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedAttrGetter2AttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrGetter2AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttrGetter2", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttrGetter2(cppValue);
 }
 
 static void activityLoggedAttrGetter2AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::activityLoggedAttrGetter2AttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrGetter2AttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedAttrGetter2());
 }
 
 static void activityLoggedAttrGetter2AttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedAttrGetter2", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedAttrGetter2AttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedAttrGetter2AttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedAttrGetter2", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedAttrGetter2(cppValue);
 }
 
 static void activityLoggedAttrGetter2AttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::activityLoggedAttrGetter2AttributeSetterForMainWorld(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedInIsolatedWorldsAttrGetter());
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger())
         contextData->activityLogger()->log("TestObject.activityLoggedInIsolatedWorldsAttrGetter", 0, 0, "Getter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrGetterAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedInIsolatedWorldsAttrGetter", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedInIsolatedWorldsAttrGetter(cppValue);
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrGetterAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeGetterForMainWorld(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->activityLoggedInIsolatedWorldsAttrGetter());
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeGetterCallbackForMainWorld(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrGetterAttributeGetterForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeSetterForMainWorld(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "activityLoggedInIsolatedWorldsAttrGetter", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setActivityLoggedInIsolatedWorldsAttrGetter(cppValue);
 }
 
 static void activityLoggedInIsolatedWorldsAttrGetterAttributeSetterCallbackForMainWorld(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::activityLoggedInIsolatedWorldsAttrGetterAttributeSetterForMainWorld(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedStaticReadOnlyAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValueInt(info, TestObj::deprecatedStaticReadOnlyAttr());
 }
 
 static void deprecatedStaticReadOnlyAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::StaticReadonlyAttribute);
     TestObjV8Internal::deprecatedStaticReadOnlyAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedStaticAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValueInt(info, TestObj::deprecatedStaticAttr());
 }
 
 static void deprecatedStaticAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::StaticAttribute);
     TestObjV8Internal::deprecatedStaticAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedStaticAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "deprecatedStaticAttr", "TestObject", info.Holder(), info.GetIsolate());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     TestObj::setDeprecatedStaticAttr(cppValue);
 }
 
 static void deprecatedStaticAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::StaticAttribute);
     TestObjV8Internal::deprecatedStaticAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedReadonlyAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->deprecatedReadonlyAttr());
 }
 
 static void deprecatedReadonlyAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::ReadonlyAttribute);
     TestObjV8Internal::deprecatedReadonlyAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedAttrAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->deprecatedAttr());
 }
 
 static void deprecatedAttrAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::Attribute);
     TestObjV8Internal::deprecatedAttrAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedAttrAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     ExceptionState exceptionState(ExceptionState::SetterContext, "deprecatedAttr", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, cppValue, toInt32(jsValue, exceptionState), exceptionState);
     imp->setDeprecatedAttr(cppValue);
 }
 
 static void deprecatedAttrAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::Attribute);
     TestObjV8Internal::deprecatedAttrAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void locationAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->location(), imp);
 }
 
 static void locationAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::locationAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void locationAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* proxyImp = V8TestObject::toNative(info.Holder());
     TestNode* imp = proxyImp->location();
     if (!imp)
         return;
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     imp->setHref(cppValue);
 }
 
 static void locationAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::locationAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void locationWithExceptionAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueFast(info, imp->locationWithException(), imp);
 }
 
 static void locationWithExceptionAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestObjV8Internal::locationWithExceptionAttributeGetter(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void locationWithExceptionAttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestObj* proxyImp = V8TestObject::toNative(info.Holder());
     TestNode* imp = proxyImp->locationWithException();
     if (!imp)
         return;
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, cppValue, jsValue);
     imp->setHrefThrows(cppValue);
 }
 
 static void locationWithExceptionAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestObjV8Internal::locationWithExceptionAttributeSetter(jsValue, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void TestObjConstructorGetter(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Handle<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)));
@@ skipping 12 matching lines @@
 static void voidMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->voidMethod();
 }
 
 static void voidMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::voidMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodWithArgsMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodWithArgs", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 3)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, strArg, info[1]);
     if (info.Length() <= 2 || !info[2]->IsFunction()) {
         exceptionState.throwTypeError("The callback provided as parameter 3 is not a function.");
         exceptionState.throwIfNeeded();
         return;
     }
     OwnPtr<TestObject> objArg = V8TestObject::create(v8::Handle<v8::Function>::Cast(info[2]), getExecutionContext());
     imp->voidMethodWithArgs(longArg, strArg, objArg.release());
 }
 
 static void voidMethodWithArgsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::voidMethodWithArgsMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void longMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueInt(info, imp->longMethod());
 }
 
 static void longMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::longMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void longMethodWithArgsMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "longMethodWithArgs", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 3)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, strArg, info[1]);
     if (info.Length() <= 2 || !info[2]->IsFunction()) {
         exceptionState.throwTypeError("The callback provided as parameter 3 is not a function.");
         exceptionState.throwIfNeeded();
         return;
     }
     OwnPtr<TestObject> objArg = V8TestObject::create(v8::Handle<v8::Function>::Cast(info[2]), getExecutionContext());
     v8SetReturnValueInt(info, imp->longMethodWithArgs(longArg, strArg, objArg.release()));
 }
 
 static void longMethodWithArgsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::longMethodWithArgsMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void objMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, imp->objMethod());
 }
 
 static void objMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     UseCounter::count(activeExecutionContext(), UseCounter::TestFeature);
     TestObjV8Internal::objMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void objMethodWithArgsMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "objMethodWithArgs", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 3)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, strArg, info[1]);
     if (info.Length() <= 2 || !info[2]->IsFunction()) {
         exceptionState.throwTypeError("The callback provided as parameter 3 is not a function.");
         exceptionState.throwIfNeeded();
         return;
     }
     OwnPtr<TestObject> objArg = V8TestObject::create(v8::Handle<v8::Function>::Cast(info[2]), getExecutionContext());
     v8SetReturnValue(info, imp->objMethodWithArgs(longArg, strArg, objArg.release()));
 }
 
 static void objMethodWithArgsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::objMethodWithArgsMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithSequenceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithSequenceArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<RefPtr<TestInterface> >, sequenceArg, (toRefPtrNativeArray<TestInterface, V8TestInterface>(info[0], 1, info.GetIsolate())));
     imp->methodWithSequenceArg(sequenceArg);
 }
 
 static void methodWithSequenceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithSequenceArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodReturningSequenceMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodReturningSequence", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     v8SetReturnValue(info, v8Array(imp->methodReturningSequence(longArg), info.GetIsolate()));
 }
 
 static void methodReturningSequenceMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodReturningSequenceMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnumArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithEnumArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, enumArg, info[0]);
     String string = enumArg;
     if (!(string == "" || string == "EnumValue1" || string == "EnumValue2" || string == "EnumValue3")) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithEnumArg", "TestObject", "parameter 1 ('" + string + "') is not a valid enum value."), info.GetIsolate());
         return;
     }
     imp->methodWithEnumArg(enumArg);
 }
 
 static void methodWithEnumArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnumArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodThatRequiresAllArgsAndThrowsMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodThatRequiresAllArgsAndThrows", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, strArg, info[0]);
     if (info.Length() <= 1 || !info[1]->IsFunction()) {
         exceptionState.throwTypeError("The callback provided as parameter 2 is not a function.");
         exceptionState.throwIfNeeded();
         return;
     }
     OwnPtr<TestObject> objArg = V8TestObject::create(v8::Handle<v8::Function>::Cast(info[1]), getExecutionContext());
     RefPtr<TestObj> result = imp->methodThatRequiresAllArgsAndThrows(strArg, objArg.release(), exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     v8SetReturnValue(info, result.release());
 }
 
 static void methodThatRequiresAllArgsAndThrowsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodThatRequiresAllArgsAndThrowsMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodQueryListListenerMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("methodQueryListListener", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(RefPtr<MediaQueryListListener>, listener, MediaQueryListListener::create(ScriptValue(info[0], info.GetIsolate())));
     imp->methodQueryListListener(listener);
 }
 
 static void methodQueryListListenerMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodQueryListListenerMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void serializedValueMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "serializedValue", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     RefPtr<SerializedScriptValue> serializedArg = SerializedScriptValue::create(info[0], 0, 0, exceptionState, info.GetIsolate());
     if (exceptionState.throwIfNeeded())
         return;
     imp->serializedValue(serializedArg);
 }
 
 static void serializedValueMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::serializedValueMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void optionsObjectMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("optionsObject", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Dictionary, oo, Dictionary(info[0], info.GetIsolate()));
     if (!oo.isUndefinedOrNull() && !oo.isObject()) {
         throwTypeError(ExceptionMessages::failedToExecute("optionsObject", "TestObject", "parameter 1 ('oo') is not an object."), info.GetIsolate());
         return;
     }
     V8TRYCATCH_VOID(Dictionary, ooo, Dictionary(info[1], info.GetIsolate()));
     if (!ooo.isUndefinedOrNull() && !ooo.isObject()) {
         throwTypeError(ExceptionMessages::failedToExecute("optionsObject", "TestObject", "parameter 2 ('ooo') is not an object."), info.GetIsolate());
         return;
     }
     imp->optionsObject(oo, ooo);
 }
 
 static void optionsObjectMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::optionsObjectMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void optionsObjectListMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("optionsObjectList", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<Dictionary>, list, toNativeArray<Dictionary>(info[0], 1, info.GetIsolate()));
     imp->optionsObjectList(list);
 }
 
 static void optionsObjectListMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::optionsObjectListMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithExceptionMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithException", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->methodWithException(exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
 }
 
 static void methodWithExceptionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithExceptionMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void customMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     UseCounter::count(activeExecutionContext(), UseCounter::CustomTestFeature);
     V8TestObject::customMethodMethodCustom(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void customMethodWithArgsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8TestObject::customMethodWithArgsMethodCustom(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void addEventListenerMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "addEventListener", "TestObject", info.Holder(), info.GetIsolate());
     EventTarget* impl = V8TestObject::toNative(info.Holder());
     if (DOMWindow* window = impl->toDOMWindow()) {
         if (!BindingSecurity::shouldAllowAccessToFrame(window->frame(), exceptionState)) {
             exceptionState.throwIfNeeded();
             return;
         }
         if (!window->document())
             return;
     }
     RefPtr<EventListener> listener = V8EventListenerList::getEventListener(info[1], false, ListenerFindOrCreate);
     if (listener) {
         V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, eventName, info[0]);
         impl->addEventListener(eventName, listener, info[2]->BooleanValue());
         if (!impl->toNode())
             createHiddenDependency(info.Holder(), info[1], V8TestObject::eventListenerCacheIndex, info.GetIsolate());
     }
 }
 
 static void addEventListenerMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::addEventListenerMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void removeEventListenerMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "removeEventListener", "TestObject", info.Holder(), info.GetIsolate());
     EventTarget* impl = V8TestObject::toNative(info.Holder());
     if (DOMWindow* window = impl->toDOMWindow()) {
         if (!BindingSecurity::shouldAllowAccessToFrame(window->frame(), exceptionState)) {
             exceptionState.throwIfNeeded();
             return;
         }
         if (!window->document())
             return;
     }
     RefPtr<EventListener> listener = V8EventListenerList::getEventListener(info[1], false, ListenerFindOnly);
     if (listener) {
         V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, eventName, info[0]);
         impl->removeEventListener(eventName, listener.get(), info[2]->BooleanValue());
         if (!impl->toNode())
             removeHiddenDependency(info.Holder(), info[1], V8TestObject::eventListenerCacheIndex, info.GetIsolate());
     }
 }
 
 static void removeEventListenerMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::removeEventListenerMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateVoidMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     imp->withScriptStateVoid(&state);
     if (state.hadException()) {
         v8::Local<v8::Value> exception = state.exception();
         state.clearException();
         throwError(exception, info.GetIsolate());
         return;
     }
 }
 
 static void withScriptStateVoidMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withScriptStateVoidMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateObjMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     RefPtr<TestObj> result = imp->withScriptStateObj(&state);
     if (state.hadException()) {
         v8::Local<v8::Value> exception = state.exception();
         state.clearException();
         throwError(exception, info.GetIsolate());
         return;
     }
     v8SetReturnValue(info, result.release());
 }
 
 static void withScriptStateObjMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withScriptStateObjMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateVoidExceptionMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "withScriptStateVoidException", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     imp->withScriptStateVoidException(&state, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     if (state.hadException()) {
         v8::Local<v8::Value> exception = state.exception();
         state.clearException();
         throwError(exception, info.GetIsolate());
         return;
     }
 }
 
 static void withScriptStateVoidExceptionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withScriptStateVoidExceptionMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withScriptStateObjExceptionMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "withScriptStateObjException", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     RefPtr<TestObj> result = imp->withScriptStateObjException(&state, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     if (state.hadException()) {
         v8::Local<v8::Value> exception = state.exception();
         state.clearException();
         throwError(exception, info.GetIsolate());
         return;
     }
     v8SetReturnValue(info, result.release());
 }
 
 static void withScriptStateObjExceptionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withScriptStateObjExceptionMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ExecutionContext* scriptContext = getExecutionContext();
     imp->withExecutionContext(scriptContext);
 }
 
 static void withExecutionContextMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withExecutionContextMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     imp->withExecutionContextAndScriptState(&state, scriptContext);
     if (state.hadException()) {
         v8::Local<v8::Value> exception = state.exception();
         state.clearException();
         throwError(exception, info.GetIsolate());
         return;
     }
 }
 
 static void withExecutionContextAndScriptStateMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withExecutionContextAndScriptStateMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateObjExceptionMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "withExecutionContextAndScriptStateObjException", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     RefPtr<TestObj> result = imp->withExecutionContextAndScriptStateObjException(&state, scriptContext, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     if (state.hadException()) {
         v8::Local<v8::Value> exception = state.exception();
         state.clearException();
         throwError(exception, info.GetIsolate());
         return;
     }
     v8SetReturnValue(info, result.release());
 }
 
 static void withExecutionContextAndScriptStateObjExceptionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withExecutionContextAndScriptStateObjExceptionMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withExecutionContextAndScriptStateWithSpacesMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     ScriptState* currentState = ScriptState::current();
     if (!currentState)
         return;
     ScriptState& state = *currentState;
     ExecutionContext* scriptContext = getExecutionContext();
     RefPtr<TestObj> result = imp->withExecutionContextAndScriptStateWithSpaces(&state, scriptContext);
     if (state.hadException()) {
         v8::Local<v8::Value> exception = state.exception();
         state.clearException();
         throwError(exception, info.GetIsolate());
         return;
     }
     v8SetReturnValue(info, result.release());
 }
 
 static void withExecutionContextAndScriptStateWithSpacesMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withExecutionContextAndScriptStateWithSpacesMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void withActiveWindowAndFirstWindowMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->withActiveWindowAndFirstWindow(activeDOMWindow(), firstDOMWindow());
 }
 
 static void withActiveWindowAndFirstWindowMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::withActiveWindowAndFirstWindowMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithOptionalArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithOptionalArg", "TestObject", info.Holder(), info.GetIsolate());
     TestObj* imp = V8TestObject::toNative(info.Holder());
     if (UNLIKELY(info.Length() <= 0)) {
         imp->methodWithOptionalArg();
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, opt, toInt32(info[0], exceptionState), exceptionState);
     imp->methodWithOptionalArg(opt);
 }
 
 static void methodWithOptionalArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithOptionalArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithNonOptionalArgAndOptionalArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithNonOptionalArgAndOptionalArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, nonOpt, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         imp->methodWithNonOptionalArgAndOptionalArg(nonOpt);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, opt, toInt32(info[1], exceptionState), exceptionState);
     imp->methodWithNonOptionalArgAndOptionalArg(nonOpt, opt);
 }
 
 static void methodWithNonOptionalArgAndOptionalArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithNonOptionalArgAndOptionalArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithNonOptionalArgAndTwoOptionalArgsMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithNonOptionalArgAndTwoOptionalArgs", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, nonOpt, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         imp->methodWithNonOptionalArgAndTwoOptionalArgs(nonOpt);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, opt1, toInt32(info[1], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 2)) {
         imp->methodWithNonOptionalArgAndTwoOptionalArgs(nonOpt, opt1);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, opt2, toInt32(info[2], exceptionState), exceptionState);
     imp->methodWithNonOptionalArgAndTwoOptionalArgs(nonOpt, opt1, opt2);
 }
 
 static void methodWithNonOptionalArgAndTwoOptionalArgsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithNonOptionalArgAndTwoOptionalArgsMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithOptionalStringMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     if (UNLIKELY(info.Length() <= 0)) {
         imp->methodWithOptionalString();
         return;
     }
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str, info[0]);
     imp->methodWithOptionalString(str);
 }
 
 static void methodWithOptionalStringMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithOptionalStringMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithOptionalStringIsUndefinedMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str, info[0]);
     imp->methodWithOptionalStringIsUndefined(str);
 }
 
 static void methodWithOptionalStringIsUndefinedMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithOptionalStringIsUndefinedMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithOptionalStringIsNullStringMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str, argumentOrNull(info, 0));
     imp->methodWithOptionalStringIsNullString(str);
 }
 
 static void methodWithOptionalStringIsNullStringMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithOptionalStringIsNullStringMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithCallbackInterfaceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithCallbackInterfaceArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     if (info.Length() <= 0 || !info[0]->IsFunction()) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithCallbackInterfaceArg", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
         return;
     }
     OwnPtr<TestCallbackInterface> callbackInterface = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), getExecutionContext());
     imp->methodWithCallbackInterfaceArg(callbackInterface.release());
 }
 
 static void methodWithCallbackInterfaceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithCallbackInterfaceArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithNonCallbackArgAndCallbackInterfaceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithNonCallbackArgAndCallbackInterfaceArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, nonCallback, toInt32(info[0], exceptionState), exceptionState);
     if (info.Length() <= 1 || !info[1]->IsFunction()) {
         exceptionState.throwTypeError("The callback provided as parameter 2 is not a function.");
         exceptionState.throwIfNeeded();
         return;
     }
     OwnPtr<TestCallbackInterface> callbackInterface = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[1]), getExecutionContext());
     imp->methodWithNonCallbackArgAndCallbackInterfaceArg(nonCallback, callbackInterface.release());
 }
 
 static void methodWithNonCallbackArgAndCallbackInterfaceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithNonCallbackArgAndCallbackInterfaceArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithCallbackInterfaceAndOptionalArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     OwnPtr<TestCallbackInterface> callbackInterface;
     if (info.Length() > 0 && !isUndefinedOrNull(info[0])) {
         if (!info[0]->IsFunction()) {
             throwTypeError(ExceptionMessages::failedToExecute("methodWithCallbackInterfaceAndOptionalArg", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
             return;
         }
         callbackInterface = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), getExecutionContext());
     }
     imp->methodWithCallbackInterfaceAndOptionalArg(callbackInterface.release());
 }
 
 static void methodWithCallbackInterfaceAndOptionalArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithCallbackInterfaceAndOptionalArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithNullableCallbackInterfaceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithNullableCallbackInterfaceArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     if (info.Length() <= 0 || !(info[0]->IsFunction() || info[0]->IsNull())) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithNullableCallbackInterfaceArg", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
         return;
     }
     OwnPtr<TestCallbackInterface> callbackInterface = info[0]->IsNull() ? nullptr : V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), getExecutionContext());
     imp->methodWithNullableCallbackInterfaceArg(callbackInterface.release());
 }
 
 static void methodWithNullableCallbackInterfaceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithNullableCallbackInterfaceArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void staticMethodWithCallbackAndOptionalArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     OwnPtr<TestCallbackInterface> callbackInterface;
     if (info.Length() > 0 && !isUndefinedOrNull(info[0])) {
         if (!info[0]->IsFunction()) {
             throwTypeError(ExceptionMessages::failedToExecute("staticMethodWithCallbackAndOptionalArg", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
             return;
         }
         callbackInterface = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), getExecutionContext());
     }
     TestObj::staticMethodWithCallbackAndOptionalArg(callbackInterface.release());
 }
 
 static void staticMethodWithCallbackAndOptionalArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::staticMethodWithCallbackAndOptionalArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void staticMethodWithCallbackArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("staticMethodWithCallbackArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     if (info.Length() <= 0 || !info[0]->IsFunction()) {
         throwTypeError(ExceptionMessages::failedToExecute("staticMethodWithCallbackArg", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
         return;
     }
     OwnPtr<TestCallbackInterface> callbackInterface = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), getExecutionContext());
     TestObj::staticMethodWithCallbackArg(callbackInterface.release());
 }
 
 static void staticMethodWithCallbackArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::staticMethodWithCallbackArgMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeInt8Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeInt8", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, value, toInt8(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeInt8(value);
 }
 
 static void methodWithEnforceRangeInt8MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeInt8Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeUInt8Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeUInt8", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, value, toUInt8(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeUInt8(value);
 }
 
 static void methodWithEnforceRangeUInt8MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeUInt8Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeInt16Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeInt16", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, value, toInt16(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeInt16(value);
 }
 
 static void methodWithEnforceRangeInt16MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeInt16Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeUInt16Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeUInt16", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, value, toUInt16(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeUInt16(value);
 }
 
 static void methodWithEnforceRangeUInt16MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeUInt16Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeInt32Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeInt32", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, value, toInt32(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeInt32(value);
 }
 
 static void methodWithEnforceRangeInt32MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeInt32Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeUInt32Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeUInt32", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, value, toUInt32(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeUInt32(value);
 }
 
 static void methodWithEnforceRangeUInt32MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeUInt32Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeInt64Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeInt64", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(long long, value, toInt64(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeInt64(value);
 }
 
 static void methodWithEnforceRangeInt64MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeInt64Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithEnforceRangeUInt64Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithEnforceRangeUInt64", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned long long, value, toUInt64(info[0], EnforceRange, exceptionState), exceptionState);
     imp->methodWithEnforceRangeUInt64(value);
 }
 
 static void methodWithEnforceRangeUInt64MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithEnforceRangeUInt64Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 #if ENABLE(Condition1)
 static void conditionalMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValueString(info, imp->conditionalMethod1(), info.GetIsolate());
 }
 #endif // ENABLE(Condition1)
 
 #if ENABLE(Condition1)
 static void conditionalMethod1MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::conditionalMethod1Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1)
 
 #if ENABLE(Condition1) && ENABLE(Condition2)
 static void conditionalMethod2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->conditionalMethod2();
 }
 #endif // ENABLE(Condition1) && ENABLE(Condition2)
 
 #if ENABLE(Condition1) && ENABLE(Condition2)
 static void conditionalMethod2MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::conditionalMethod2Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1) && ENABLE(Condition2)
 
 #if ENABLE(Condition1) || ENABLE(Condition2)
 static void conditionalMethod3Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->conditionalMethod3();
 }
 #endif // ENABLE(Condition1) || ENABLE(Condition2)
 
 #if ENABLE(Condition1) || ENABLE(Condition2)
 static void conditionalMethod3MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::conditionalMethod3Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 #endif // ENABLE(Condition1) || ENABLE(Condition2)
 
 static void callbackFunctionReturnValueMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     v8SetReturnValue(info, imp->callbackFunctionReturnValue().v8Value());
 }
 
 static void callbackFunctionReturnValueMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::callbackFunctionReturnValueMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void callbackFunctionArgumentMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("callbackFunctionArgument", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ScriptValue, function, ScriptValue(info[0], info.GetIsolate()));
     imp->callbackFunctionArgument(function);
 }
 
 static void callbackFunctionArgumentMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::callbackFunctionArgumentMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
@@ skipping 83 matching lines @@
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::overloadedMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodA1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodA", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
@@ skipping 45 matching lines @@
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodAMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::overloadedMethodAMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodB1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodB", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, strArg, info[0]);
@@ skipping 28 matching lines @@
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodBMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::overloadedMethodBMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void classMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj::classMethod();
 }
 
 static void classMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::classMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void classMethodWithOptionalMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "classMethodWithOptional", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() <= 0)) {
         v8SetReturnValueInt(info, TestObj::classMethodWithOptional());
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, arg, toInt32(info[0], exceptionState), exceptionState);
     v8SetReturnValueInt(info, TestObj::classMethodWithOptional(arg));
 }
 
 static void classMethodWithOptionalMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::classMethodWithOptionalMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void classMethod2MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8TestObject::classMethod2MethodCustom(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void classMethodWithClampMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "classMethodWithClamp", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     unsigned objArgsShort = 0;
     V8TRYCATCH_VOID(double, objArgsShortNativeValue, info[0]->NumberValue());
     if (!std::isnan(objArgsShortNativeValue))
         objArgsShort = clampTo<unsigned short>(objArgsShortNativeValue);
     unsigned objArgsLong = 0;
     V8TRYCATCH_VOID(double, objArgsLongNativeValue, info[1]->NumberValue());
     if (!std::isnan(objArgsLongNativeValue))
         objArgsLong = clampTo<unsigned long>(objArgsLongNativeValue);
     imp->classMethodWithClamp(objArgsShort, objArgsLong);
 }
 
 static void classMethodWithClampMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::classMethodWithClampMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enabledAtRuntimeMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "enabledAtRuntimeMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->enabledAtRuntimeMethod(longArg);
 }
 
 static void enabledAtRuntimeMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::enabledAtRuntimeMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void enabledPerContextMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "enabledPerContextMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->enabledPerContextMethod(longArg);
 }
 
 static void enabledPerContextMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::enabledPerContextMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithUnsignedLongSequenceMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("methodWithUnsignedLongSequence", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<unsigned>, unsignedLongSequence, toNativeArray<unsigned>(info[0], 1, info.GetIsolate()));
     imp->methodWithUnsignedLongSequence(unsignedLongSequence);
 }
 
 static void methodWithUnsignedLongSequenceMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithUnsignedLongSequenceMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void stringArrayFunctionMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "stringArrayFunction", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<String>, values, toNativeArray<String>(info[0], 1, info.GetIsolate()));
     Vector<String> result = imp->stringArrayFunction(values, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     v8SetReturnValue(info, v8Array(result, info.GetIsolate()));
 }
 
 static void stringArrayFunctionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::stringArrayFunctionMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void domStringListFunctionMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "domStringListFunction", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(DOMStringList*, values, V8DOMStringList::hasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8DOMStringList::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0);
     RefPtr<DOMStringList> result = imp->domStringListFunction(values, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     v8SetReturnValue(info, result.release());
 }
 
 static void domStringListFunctionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::domStringListFunctionMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void convert1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("convert1", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestNode*, value, V8TestNode::hasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestNode::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0);
     imp->convert1(value);
 }
 
 static void convert1MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::convert1Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void convert2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("convert2", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestNode*, value, V8TestNode::hasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8TestNode::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0);
     imp->convert2(value);
 }
 
 static void convert2MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::convert2Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void orangeMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->banana();
 }
 
 static void orangeMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::orangeMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void strictFunctionMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "strictFunction", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 3)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str, info[0]);
     V8TRYCATCH_VOID(float, a, static_cast<float>(info[1]->NumberValue()));
     V8TRYCATCH_EXCEPTION_VOID(int, b, toInt32(info[2], exceptionState), exceptionState);
     bool result = imp->strictFunction(str, a, b, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
     v8SetReturnValueBool(info, result);
 }
 
 static void strictFunctionMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::strictFunctionMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void variadicStringMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("variadicStringMethod", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, head, info[0]);
     V8TRYCATCH_VOID(Vector<String>, tail, toNativeArguments<String>(info, 1));
     imp->variadicStringMethod(head, tail);
 }
 
 static void variadicStringMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::variadicStringMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void variadicDoubleMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("variadicDoubleMethod", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(double, head, static_cast<double>(info[0]->NumberValue()));
     V8TRYCATCH_VOID(Vector<double>, tail, toNativeArguments<double>(info, 1));
     imp->variadicDoubleMethod(head, tail);
 }
 
 static void variadicDoubleMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::variadicDoubleMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void variadicNodeMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("variadicNodeMethod", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Node*, head, V8Node::hasInstance(info[0], info.GetIsolate(), worldType(info.GetIsolate())) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0);
     Vector<RefPtr<Node> > tail;
     for (int i = 1; i < info.Length(); ++i) {
         if (!V8Node::hasInstance(info[i], info.GetIsolate(), worldType(info.GetIsolate()))) {
             throwTypeError(ExceptionMessages::failedToExecute("variadicNodeMethod", "TestObject", "parameter 2 is not of type 'Node'."), info.GetIsolate());
             return;
         }
         tail.append(V8Node::toNative(v8::Handle<v8::Object>::Cast(info[i])));
     }
     imp->variadicNodeMethod(head, tail);
 }
 
 static void variadicNodeMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::variadicNodeMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void methodWithNullableArgumentsMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "methodWithNullableArguments", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 3)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
@@ skipping 15 matching lines @@
     }
     bool dIsNull = info[3]->IsNull();
     V8TRYCATCH_VOID(double, d, static_cast<double>(info[3]->NumberValue()));
     imp->methodWithNullableArguments(strIsNull ? 0 : &str, lIsNull ? 0 : &l, obj.release(), dIsNull ? 0 : &d);
 }
 
 static void methodWithNullableArgumentsMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithNullableArgumentsMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->perWorldMethod();
 }
 
 static void perWorldMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::perWorldMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldMethodMethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->perWorldMethod();
 }
 
 static void perWorldMethodMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::perWorldMethodMethodForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedPerWorldMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedPerWorldMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
@@ skipping 46 matching lines @@
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedPerWorldMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::overloadedPerWorldMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedPerWorldMethod2MethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedPerWorldMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
@@ skipping 20 matching lines @@
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedPerWorldMethodMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::overloadedPerWorldMethodMethodForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "activityLoggedMethod1", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->activityLoggedMethod1(longArg);
 }
 
 static void activityLoggedMethod1MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         Vector<v8::Handle<v8::Value> > loggerArgs = toNativeArguments<v8::Handle<v8::Value> >(info, 0);
         contextData->activityLogger()->log("TestObject.activityLoggedMethod1", info.Length(), loggerArgs.data(), "Method");
     }
     TestObjV8Internal::activityLoggedMethod1Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedMethod2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "activityLoggedMethod2", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->activityLoggedMethod2(longArg);
 }
 
 static void activityLoggedMethod2MethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         Vector<v8::Handle<v8::Value> > loggerArgs = toNativeArguments<v8::Handle<v8::Value> >(info, 0);
         contextData->activityLogger()->log("TestObject.activityLoggedMethod2", info.Length(), loggerArgs.data(), "Method");
     }
     TestObjV8Internal::activityLoggedMethod2Method(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedMethod2MethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "activityLoggedMethod2", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->activityLoggedMethod2(longArg);
 }
 
 static void activityLoggedMethod2MethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         Vector<v8::Handle<v8::Value> > loggerArgs = toNativeArguments<v8::Handle<v8::Value> >(info, 0);
         contextData->activityLogger()->log("TestObject.activityLoggedMethod2", info.Length(), loggerArgs.data(), "Method");
     }
     TestObjV8Internal::activityLoggedMethod2MethodForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "activityLoggedInIsolatedWorldMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->activityLoggedInIsolatedWorldMethod(longArg);
 }
 
 static void activityLoggedInIsolatedWorldMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         Vector<v8::Handle<v8::Value> > loggerArgs = toNativeArguments<v8::Handle<v8::Value> >(info, 0);
         contextData->activityLogger()->log("TestObject.activityLoggedInIsolatedWorldMethod", info.Length(), loggerArgs.data(), "Method");
     }
     TestObjV8Internal::activityLoggedInIsolatedWorldMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void activityLoggedInIsolatedWorldMethodMethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "activityLoggedInIsolatedWorldMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TestObj* imp = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     imp->activityLoggedInIsolatedWorldMethod(longArg);
 }
 
 static void activityLoggedInIsolatedWorldMethodMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::activityLoggedInIsolatedWorldMethodMethodForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedActivityLoggedMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedActivityLoggedMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
@@ skipping 51 matching lines @@
 
 static void overloadedActivityLoggedMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         Vector<v8::Handle<v8::Value> > loggerArgs = toNativeArguments<v8::Handle<v8::Value> >(info, 0);
         contextData->activityLogger()->log("TestObject.overloadedActivityLoggedMethod", info.Length(), loggerArgs.data(), "Method");
     }
     TestObjV8Internal::overloadedActivityLoggedMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedActivityLoggedMethod2MethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedActivityLoggedMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
@@ skipping 25 matching lines @@
 
 static void overloadedActivityLoggedMethodMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     V8PerContextData* contextData = V8PerContextData::from(info.GetIsolate()->GetCurrentContext());
     if (contextData && contextData->activityLogger()) {
         Vector<v8::Handle<v8::Value> > loggerArgs = toNativeArguments<v8::Handle<v8::Value> >(info, 0);
         contextData->activityLogger()->log("TestObject.overloadedActivityLoggedMethod", info.Length(), loggerArgs.data(), "Method");
     }
     TestObjV8Internal::overloadedActivityLoggedMethodMethodForMainWorld(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj* imp = V8TestObject::toNative(info.Holder());
     imp->deprecatedMethod();
 }
 
 static void deprecatedMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::Method);
     TestObjV8Internal::deprecatedMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void deprecatedStaticMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObj::deprecatedStaticMethod();
 }
 
 static void deprecatedStaticMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     UseCounter::countDeprecation(activeExecutionContext(), UseCounter::StaticMethod);
     TestObjV8Internal::deprecatedStaticMethodMethod(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void indexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));
     TestObj* collection = V8TestObject::toNative(info.Holder());
     RefPtr<Node> element = collection->item(index);
     if (!element)
         return;
     v8SetReturnValueFast(info, element.release(), collection);
 }
 
 static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMIndexedProperty");
     TestObjV8Internal::indexedPropertyGetter(index, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void namedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(name).IsEmpty())
         return;
     if (info.Holder()->HasRealNamedCallbackProperty(name))
         return;
     if (info.Holder()->HasRealNamedProperty(name))
         return;
 
     ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));
     TestObj* collection = V8TestObject::toNative(info.Holder());
     AtomicString propertyName = toCoreAtomicString(name);
     String element = collection->namedItem(propertyName);
     if (element.isNull())
         return;
     v8SetReturnValueString(info, element, info.GetIsolate());
 }
 
 static void namedPropertyGetterCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
     TestObjV8Internal::namedPropertyGetter(name, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
 {
     ExceptionState exceptionState(info.Holder(), info.GetIsolate());
     TestObj* collection = V8TestObject::toNative(info.Holder());
     Vector<String> names;
     collection->namedPropertyEnumerator(names, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
@@ skipping 13 matching lines @@
         return;
     if (!result)
         return;
     v8SetReturnValueInt(info, v8::None);
 }
 
 static void namedPropertyEnumeratorCallback(const v8::PropertyCallbackInfo<v8::Array>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
     TestObjV8Internal::namedPropertyEnumerator(info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void namedPropertyQueryCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
     TestObjV8Internal::namedPropertyQuery(name, info);
-    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 } // namespace TestObjV8Internal
 
 static const V8DOMConfiguration::AttributeConfiguration V8TestObjectAttributes[] = {
     {"readOnlyLongAttr", TestObjV8Internal::readOnlyLongAttrAttributeGetterCallback, 0, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
     {"readOnlyStringAttr", TestObjV8Internal::readOnlyStringAttrAttributeGetterCallback, 0, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
     {"readOnlyTestObjectAttr", TestObjV8Internal::readOnlyTestObjectAttrAttributeGetterCallback, 0, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
     {"TestSubObj", TestObjV8Internal::TestObjConstructorGetter, TestObjV8Internal::TestObjReplaceableAttributeSetterCallback, 0, 0, const_cast<WrapperTypeInfo*>(&V8TestSubObj::wrapperTypeInfo), static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::DontEnum), 0 /* on instance */},
     {"enumAttr", TestObjV8Internal::enumAttrAttributeGetterCallback, TestObjV8Internal::enumAttrAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
@@ skipping 306 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestObj* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore