bindings: Removes an unnecessary type conversion in V8DOMWrapper.

Source/bindings/core/v8/V8DOMWrapper.cpp

 /*
  * Copyright (C) 2009 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 23 matching lines @@
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8HTMLCollection.h"
 #include "bindings/core/v8/V8HTMLDocument.h"
 #include "bindings/core/v8/V8ObjectConstructor.h"
 #include "bindings/core/v8/V8PerContextData.h"
 #include "bindings/core/v8/V8ScriptRunner.h"
 #include "bindings/core/v8/V8Window.h"
 
 namespace blink {
 
-static v8::Local<v8::Object> wrapInShadowTemplate(v8::Local<v8::Object> wrapper, Node* impl, v8::Isolate* isolate)
+static v8::Local<v8::Object> wrapInShadowTemplate(v8::Local<v8::Object> wrapper, void* impl, v8::Isolate* isolate)
 {
     static int shadowTemplateKey; // This address is used for a key to look up the dom template.
     V8PerIsolateData* data = V8PerIsolateData::from(isolate);
     v8::Handle<v8::FunctionTemplate> shadowTemplate = data->existingDOMTemplate(&shadowTemplateKey);
     if (shadowTemplate.IsEmpty()) {
         shadowTemplate = v8::FunctionTemplate::New(isolate);
         if (shadowTemplate.IsEmpty())
             return v8::Local<v8::Object>();
         shadowTemplate->SetClassName(v8AtomicString(isolate, "HTMLDocument"));
         shadowTemplate->Inherit(V8HTMLDocument::domTemplate(isolate));
@@ skipping 14 matching lines @@
 }
 
 v8::Local<v8::Object> V8DOMWrapper::createWrapper(v8::Handle<v8::Object> creationContext, const WrapperTypeInfo* type, void* impl, v8::Isolate* isolate)
 {
     V8WrapperInstantiationScope scope(creationContext, isolate);
 
     V8PerContextData* perContextData = V8PerContextData::from(scope.context());
     v8::Local<v8::Object> wrapper = perContextData ? perContextData->createWrapperFromCache(type) : V8ObjectConstructor::newInstance(isolate, type->domTemplate(isolate)->GetFunction());
 
     if (type == &V8HTMLDocument::wrapperTypeInfo && !wrapper.IsEmpty())
-        wrapper = wrapInShadowTemplate(wrapper, static_cast<Node*>(impl), isolate);
+        wrapper = wrapInShadowTemplate(wrapper, impl, isolate);
 
     return wrapper;
 }
 
 bool V8DOMWrapper::isDOMWrapper(v8::Handle<v8::Value> value)
 {
     if (value.IsEmpty() || !value->IsObject())
         return false;
 
     if (v8::Handle<v8::Object>::Cast(value)->InternalFieldCount() < v8DefaultWrapperInternalFieldCount)
         return false;
 
     v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(value);
     ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex));
     ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex));
 
     const WrapperTypeInfo* typeInfo = static_cast<const WrapperTypeInfo*>(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex));
     // FIXME: We should add a more strict way to check if the typeInfo is a typeInfo of some DOM wrapper.
     // Even if it's a typeInfo of Blink, it's not guaranteed that it's a typeInfo of a DOM wrapper.
     return typeInfo->ginEmbedder == gin::kEmbedderBlink;
 }
 
 } // namespace blink