Revert of Make DOMWrapperWorld::current() return a reference instead of a pointer

Source/bindings/tests/results/V8TestEventTarget.cpp

Index: Source/bindings/tests/results/V8TestEventTarget.cpp
diff --git a/Source/bindings/tests/results/V8TestEventTarget.cpp b/Source/bindings/tests/results/V8TestEventTarget.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..ca4e50f8588490ed31e95a78f73afde386def2a9
--- /dev/null
+++ b/Source/bindings/tests/results/V8TestEventTarget.cpp
@@ -0,0 +1,335 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
+
+#include "config.h"
+#include "V8TestEventTarget.h"
+
+#include "RuntimeEnabledFeatures.h"
+#include "V8Node.h"
+#include "bindings/v8/ExceptionState.h"
+#include "bindings/v8/V8DOMConfiguration.h"
+#include "bindings/v8/V8HiddenValue.h"
+#include "bindings/v8/V8ObjectConstructor.h"
+#include "core/dom/ContextFeatures.h"
+#include "core/dom/Document.h"
+#include "platform/TraceEvent.h"
+#include "wtf/GetPtr.h"
+#include "wtf/RefPtr.h"
+
+namespace WebCore {
+
+static void initializeScriptWrappableForInterface(TestEventTarget* object)
+{
+    if (ScriptWrappable::wrapperCanBeStoredInObject(object))
+        ScriptWrappable::setTypeInfoInObject(object, &V8TestEventTarget::wrapperTypeInfo);
+    else
+        ASSERT_NOT_REACHED();
+}
+
+} // namespace WebCore
+
+void webCoreInitializeScriptWrappableForInterface(WebCore::TestEventTarget* object)
+{
+    WebCore::initializeScriptWrappableForInterface(object);
+}
+
+namespace WebCore {
+const WrapperTypeInfo V8TestEventTarget::wrapperTypeInfo = { gin::kEmbedderBlink, V8TestEventTarget::domTemplate, V8TestEventTarget::derefObject, 0, V8TestEventTarget::toEventTarget, 0, V8TestEventTarget::installPerContextEnabledMethods, &V8EventTarget::wrapperTypeInfo, WrapperTypeObjectPrototype, false };
+
+namespace TestEventTargetV8Internal {
+
+template <typename T> void V8_USE(T) { }
+
+static void itemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "item", "TestEventTarget", info.Holder(), info.GetIsolate());
+    if (UNLIKELY(info.Length() < 1)) {
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
+        return;
+    }
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    V8TRYCATCH_EXCEPTION_VOID(unsigned, index, toUInt32(info[0], exceptionState), exceptionState);
+    v8SetReturnValue(info, impl->item(index));
+}
+
+static void itemMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
+    TestEventTargetV8Internal::itemMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void namedItemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    if (UNLIKELY(info.Length() < 1)) {
+        throwTypeError(ExceptionMessages::failedToExecute("namedItem", "TestEventTarget", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        return;
+    }
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, name, info[0]);
+    v8SetReturnValue(info, impl->namedItem(name));
+}
+
+static void namedItemMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
+    TestEventTargetV8Internal::namedItemMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void indexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    RefPtr<Node> result = impl->item(index);
+    if (!result)
+        return;
+    v8SetReturnValueFast(info, WTF::getPtr(result.release()), impl);
+}
+
+static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMIndexedProperty");
+    TestEventTargetV8Internal::indexedPropertyGetter(index, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void indexedPropertySetter(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    V8TRYCATCH_VOID(Node*, propertyValue, V8Node::toNativeWithTypeCheck(info.GetIsolate(), v8Value));
+    if (!isUndefinedOrNull(v8Value) && !V8Node::hasInstance(v8Value, info.GetIsolate())) {
+        exceptionState.throwTypeError("The provided value is not of type 'Node'.");
+        exceptionState.throwIfNeeded();
+        return;
+    }
+    bool result = impl->anonymousIndexedSetter(index, propertyValue);
+    if (!result)
+        return;
+    v8SetReturnValue(info, v8Value);
+}
+
+static void indexedPropertySetterCallback(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMIndexedProperty");
+    TestEventTargetV8Internal::indexedPropertySetter(index, v8Value, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void indexedPropertyDeleter(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info)
+{
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    ExceptionState exceptionState(ExceptionState::IndexedDeletionContext, "TestEventTarget", info.Holder(), info.GetIsolate());
+    DeleteResult result = impl->anonymousIndexedDeleter(index, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
+    if (result != DeleteUnknownProperty)
+        return v8SetReturnValueBool(info, result == DeleteSuccess);
+}
+
+static void indexedPropertyDeleterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMIndexedProperty");
+    TestEventTargetV8Internal::indexedPropertyDeleter(index, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void namedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    if (info.Holder()->HasRealNamedProperty(name))
+        return;
+    if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(name).IsEmpty())
+        return;
+
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    AtomicString propertyName = toCoreAtomicString(name);
+    RefPtr<Node> result = impl->namedItem(propertyName);
+    if (!result)
+        return;
+    v8SetReturnValueFast(info, WTF::getPtr(result.release()), impl);
+}
+
+static void namedPropertyGetterCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
+    TestEventTargetV8Internal::namedPropertyGetter(name, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void namedPropertySetter(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    if (info.Holder()->HasRealNamedProperty(name))
+        return;
+    if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(name).IsEmpty())
+        return;
+
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, propertyName, name);
+    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, propertyValue, v8Value);
+    bool result = impl->anonymousNamedSetter(propertyName, propertyValue);
+    if (!result)
+        return;
+    v8SetReturnValue(info, v8Value);
+}
+
+static void namedPropertySetterCallback(v8::Local<v8::String> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
+    TestEventTargetV8Internal::namedPropertySetter(name, v8Value, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void namedPropertyQuery(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
+{
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    AtomicString propertyName = toCoreAtomicString(name);
+    v8::String::Utf8Value namedProperty(name);
+    ExceptionState exceptionState(ExceptionState::GetterContext, *namedProperty, "TestEventTarget", info.Holder(), info.GetIsolate());
+    bool result = impl->namedPropertyQuery(propertyName, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
+    if (!result)
+        return;
+    v8SetReturnValueInt(info, v8::None);
+}
+
+static void namedPropertyQueryCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
+    TestEventTargetV8Internal::namedPropertyQuery(name, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void namedPropertyDeleter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Boolean>& info)
+{
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    AtomicString propertyName = toCoreAtomicString(name);
+    DeleteResult result = impl->anonymousNamedDeleter(propertyName);
+    if (result != DeleteUnknownProperty)
+        return v8SetReturnValueBool(info, result == DeleteSuccess);
+}
+
+static void namedPropertyDeleterCallback(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Boolean>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
+    TestEventTargetV8Internal::namedPropertyDeleter(name, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
+{
+    TestEventTarget* impl = V8TestEventTarget::toNative(info.Holder());
+    v8::Isolate* isolate = info.GetIsolate();
+    Vector<String> names;
+    ExceptionState exceptionState(ExceptionState::EnumerationContext, "TestEventTarget", info.Holder(), isolate);
+    impl->namedPropertyEnumerator(names, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
+    v8::Handle<v8::Array> v8names = v8::Array::New(isolate, names.size());
+    for (size_t i = 0; i < names.size(); ++i)
+        v8names->Set(v8::Integer::New(isolate, i), v8String(isolate, names[i]));
+    v8SetReturnValue(info, v8names);
+}
+
+static void namedPropertyEnumeratorCallback(const v8::PropertyCallbackInfo<v8::Array>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMNamedProperty");
+    TestEventTargetV8Internal::namedPropertyEnumerator(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
+}
+
+} // namespace TestEventTargetV8Internal
+
+static const V8DOMConfiguration::MethodConfiguration V8TestEventTargetMethods[] = {
+    {"item", TestEventTargetV8Internal::itemMethodCallback, 0, 1},
+    {"namedItem", TestEventTargetV8Internal::namedItemMethodCallback, 0, 1},
+};
+
+static void configureV8TestEventTargetTemplate(v8::Handle<v8::FunctionTemplate> functionTemplate, v8::Isolate* isolate)
+{
+    functionTemplate->ReadOnlyPrototype();
+
+    v8::Local<v8::Signature> defaultSignature;
+    defaultSignature = V8DOMConfiguration::installDOMClassTemplate(functionTemplate, "TestEventTarget", V8EventTarget::domTemplate(isolate), V8TestEventTarget::internalFieldCount,
+        0, 0,
+        0, 0,
+        V8TestEventTargetMethods, WTF_ARRAY_LENGTH(V8TestEventTargetMethods),
+        isolate);
+    v8::Local<v8::ObjectTemplate> ALLOW_UNUSED instanceTemplate = functionTemplate->InstanceTemplate();
+    v8::Local<v8::ObjectTemplate> ALLOW_UNUSED prototypeTemplate = functionTemplate->PrototypeTemplate();
+    functionTemplate->InstanceTemplate()->SetIndexedPropertyHandler(TestEventTargetV8Internal::indexedPropertyGetterCallback, TestEventTargetV8Internal::indexedPropertySetterCallback, 0, TestEventTargetV8Internal::indexedPropertyDeleterCallback, indexedPropertyEnumerator<TestEventTarget>);
+    functionTemplate->InstanceTemplate()->SetNamedPropertyHandler(TestEventTargetV8Internal::namedPropertyGetterCallback, TestEventTargetV8Internal::namedPropertySetterCallback, TestEventTargetV8Internal::namedPropertyQueryCallback, TestEventTargetV8Internal::namedPropertyDeleterCallback, TestEventTargetV8Internal::namedPropertyEnumeratorCallback);
+
+    // Custom toString template
+    functionTemplate->Set(v8AtomicString(isolate, "toString"), V8PerIsolateData::current()->toStringTemplate());
+}
+
+v8::Handle<v8::FunctionTemplate> V8TestEventTarget::domTemplate(v8::Isolate* isolate)
+{
+    V8PerIsolateData* data = V8PerIsolateData::from(isolate);
+    v8::Local<v8::FunctionTemplate> result = data->existingDOMTemplate(const_cast<WrapperTypeInfo*>(&wrapperTypeInfo));
+    if (!result.IsEmpty())
+        return result;
+
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "BuildDOMTemplate");
+    result = v8::FunctionTemplate::New(isolate, V8ObjectConstructor::isValidConstructorMode);
+    configureV8TestEventTargetTemplate(result, isolate);
+    data->setDOMTemplate(const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), result);
+    return result;
+}
+
+bool V8TestEventTarget::hasInstance(v8::Handle<v8::Value> v8Value, v8::Isolate* isolate)
+{
+    return V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, v8Value);
+}
+
+v8::Handle<v8::Object> V8TestEventTarget::findInstanceInPrototypeChain(v8::Handle<v8::Value> v8Value, v8::Isolate* isolate)
+{
+    return V8PerIsolateData::from(isolate)->findInstanceInPrototypeChain(&wrapperTypeInfo, v8Value);
+}
+
+TestEventTarget* V8TestEventTarget::toNativeWithTypeCheck(v8::Isolate* isolate, v8::Handle<v8::Value> value)
+{
+    return hasInstance(value, isolate) ? fromInternalPointer(v8::Handle<v8::Object>::Cast(value)->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex)) : 0;
+}
+
+EventTarget* V8TestEventTarget::toEventTarget(v8::Handle<v8::Object> object)
+{
+    return toNative(object);
+}
+
+v8::Handle<v8::Object> V8TestEventTarget::createWrapper(PassRefPtr<TestEventTarget> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+    ASSERT(impl);
+    ASSERT(!DOMDataStore::containsWrapper<V8TestEventTarget>(impl.get(), isolate));
+    if (ScriptWrappable::wrapperCanBeStoredInObject(impl.get())) {
+        const WrapperTypeInfo* actualInfo = ScriptWrappable::getTypeInfoFromObject(impl.get());
+        // Might be a XXXConstructor::wrapperTypeInfo instead of an XXX::wrapperTypeInfo. These will both have
+        // the same object de-ref functions, though, so use that as the basis of the check.
+        RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(actualInfo->derefObjectFunction == wrapperTypeInfo.derefObjectFunction);
+    }
+
+    v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, &wrapperTypeInfo, toInternalPointer(impl.get()), isolate);
+    if (UNLIKELY(wrapper.IsEmpty()))
+        return wrapper;
+
+    installPerContextEnabledProperties(wrapper, impl.get(), isolate);
+    V8DOMWrapper::associateObjectWithWrapper<V8TestEventTarget>(impl, &wrapperTypeInfo, wrapper, isolate, WrapperConfiguration::Independent);
+    return wrapper;
+}
+
+void V8TestEventTarget::derefObject(void* object)
+{
+    fromInternalPointer(object)->deref();
+}
+
+template<>
+v8::Handle<v8::Value> toV8NoInline(TestEventTarget* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+    return toV8(impl, creationContext, isolate);
+}
+
+} // namespace WebCore