Implement cross-origin attributes using access check interceptors.

third_party/WebKit/Source/bindings/core/v8/ScriptState.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.
 
 #include "bindings/core/v8/ScriptState.h"
 
 #include "bindings/core/v8/V8Binding.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 26 matching lines @@
       m_world(world),
       m_perContextData(V8PerContextData::create(context))
 #if ENABLE(ASSERT)
       ,
       m_globalObjectDetached(false)
 #endif
 {
   ASSERT(m_world);
   m_context.setWeak(this, &weakCallback);
   context->SetAlignedPointerInEmbedderData(v8ContextPerContextDataIndex, this);
-  v8::Local<v8::Object> global = context->Global();
-  // TODO(jochen): Remove this once we correctly set internal fields on the
-  // global proxy.
-  if (global->InternalFieldCount()) {
-    int indicies[] = {v8DOMWrapperTypeIndex, v8DOMWrapperObjectIndex};
-    void* values[] = {nullptr, nullptr};
-    global->SetAlignedPointerInInternalFields(2, indicies, values);
-  }
 }
 
 ScriptState::~ScriptState() {
   ASSERT(!m_perContextData);
   ASSERT(m_context.isEmpty());
 }
 
 void ScriptState::detachGlobalObject() {
   ASSERT(!m_context.isEmpty());
   context()->DetachGlobal();
@@ skipping 40 matching lines @@
   v8::HandleScope handleScope(toIsolate(frame));
   v8::Local<v8::Context> context = toV8Context(frame, world);
   if (context.IsEmpty())
     return nullptr;
   ScriptState* scriptState = ScriptState::from(context);
   ASSERT(scriptState->contextIsValid());
   return scriptState;
 }
 
 }  // namespace blink