Revert of Switch RemoteWindowProxy to use v8::Context::NewRemoteContext.

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 18 matching lines @@
     const v8::WeakCallbackInfo<ScriptState>& data) {
   data.GetParameter()->clearContext();
   data.SetSecondPassCallback(derefCallback);
 }
 
 ScriptState::ScriptState(v8::Local<v8::Context> context,
                          PassRefPtr<DOMWrapperWorld> world)
     : m_isolate(context->GetIsolate()),
       m_context(m_isolate, context),
       m_world(world),
-      m_perContextData(V8PerContextData::create(context)) {
+      m_perContextData(V8PerContextData::create(context))
+{
   DCHECK(m_world);
   m_context.setWeak(this, &contextCollectedCallback);
   context->SetAlignedPointerInEmbedderData(v8ContextPerContextDataIndex, this);
 }
 
 ScriptState::~ScriptState() {
   ASSERT(!m_perContextData);
   ASSERT(m_context.isEmpty());
 }
 
 void ScriptState::detachGlobalObject() {
   ASSERT(!m_context.isEmpty());
   context()->DetachGlobal();
+#if DCHECK_IS_ON()
+  m_globalObjectDetached = true;
+#endif
 }
 
 void ScriptState::disposePerContextData() {
   m_perContextData = nullptr;
 }
 
 ScriptValue ScriptState::getFromExtrasExports(const char* name) {
   v8::HandleScope handleScope(m_isolate);
   v8::Local<v8::Value> v8Value;
   if (!context()
@@ skipping 27 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