bindings: Adds DOMArrayBuffer, etc. as thin wrappers for ArrayBuffer, etc.

Source/bindings/tests/results/core/V8ArrayBuffer.cpp

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
+
+#include "config.h"
+#include "V8ArrayBuffer.h"
+
+#include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/V8ArrayBuffer.h"
+#include "bindings/core/v8/V8DOMConfiguration.h"
+#include "bindings/core/v8/V8HiddenValue.h"
+#include "bindings/core/v8/V8ObjectConstructor.h"
+#include "core/dom/ContextFeatures.h"
+#include "core/dom/DOMArrayBufferDeallocationObserver.h"
+#include "core/dom/Document.h"
+#include "platform/RuntimeEnabledFeatures.h"
+#include "platform/TraceEvent.h"
+#include "wtf/GetPtr.h"
+#include "wtf/RefPtr.h"
+
+namespace blink {
+
+const WrapperTypeInfo V8ArrayBuffer::wrapperTypeInfo = { gin::kEmbedderBlink, 0, V8ArrayBuffer::refObject, V8ArrayBuffer::derefObject, V8ArrayBuffer::trace, 0, 0, 0, V8ArrayBuffer::installConditionallyEnabledMethods, V8ArrayBuffer::installConditionallyEnabledProperties, 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::Independent, WrapperTypeInfo::RefCountedObject };
+
+// This static member must be declared by DEFINE_WRAPPERTYPEINFO in TestArrayBuffer.h.
+// For details, see the comment of DEFINE_WRAPPERTYPEINFO in
+// bindings/core/v8/ScriptWrappable.h.
+const WrapperTypeInfo& TestArrayBuffer::s_wrapperTypeInfo = V8ArrayBuffer::wrapperTypeInfo;
+
+bool V8ArrayBuffer::hasInstance(v8::Handle<v8::Value> v8Value, v8::Isolate* isolate)
+{
+    return v8Value->IsArrayBuffer();
+}
+
+TestArrayBuffer* V8ArrayBuffer::toImpl(v8::Handle<v8::Object> object)
+{
+    ASSERT(object->IsArrayBuffer());
+    v8::Local<v8::ArrayBuffer> v8buffer = object.As<v8::ArrayBuffer>();
+    if (v8buffer->IsExternal()) {
+        const WrapperTypeInfo* wrapperTypeInfo = toWrapperTypeInfo(object);
+        RELEASE_ASSERT(wrapperTypeInfo);
+        RELEASE_ASSERT(wrapperTypeInfo->ginEmbedder == gin::kEmbedderBlink);
+        return blink::toScriptWrappableBase(object)->toImpl<TestArrayBuffer>();
+    }
+
+    v8::ArrayBuffer::Contents v8Contents = v8buffer->Externalize();
+    // This special way to create ArrayBuffer via ArrayBufferContents makes the
+    // underlying ArrayBufferContents not call ArrayBufferDeallocationObserver::
+    // blinkAllocatedMemory. The array buffer created by V8 already called it,
+    // so we shouldn't call it.
+    WTF::ArrayBufferContents contents(v8Contents.Data(), v8Contents.ByteLength(), DOMArrayBufferDeallocationObserver::instance());
+    RefPtr<TestArrayBuffer> buffer = TestArrayBuffer::create(contents);
+    buffer->associateWithWrapper(buffer->wrapperTypeInfo(), object, v8::Isolate::GetCurrent());
+
+    return blink::toScriptWrappableBase(object)->toImpl<TestArrayBuffer>();
+}
+
+TestArrayBuffer* V8ArrayBuffer::toImplWithTypeCheck(v8::Isolate* isolate, v8::Handle<v8::Value> value)
+{
+    return hasInstance(value, isolate) ? toImpl(v8::Handle<v8::Object>::Cast(value)) : 0;
+}
+
+void V8ArrayBuffer::refObject(ScriptWrappableBase* internalPointer)
+{
+    internalPointer->toImpl<TestArrayBuffer>()->ref();
+}
+
+void V8ArrayBuffer::derefObject(ScriptWrappableBase* internalPointer)
+{
+    internalPointer->toImpl<TestArrayBuffer>()->deref();
+}
+
+template<>
+v8::Handle<v8::Value> toV8NoInline(TestArrayBuffer* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+    return toV8(impl, creationContext, isolate);
+}
+
+} // namespace blink