Oilpan: move ScriptController+WindowProxy to the heap.

Source/bindings/core/v8/WindowProxy.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 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 56 matching lines @@
 #include <v8.h>
 
 namespace blink {
 
 static void checkDocumentWrapper(v8::Handle<v8::Object> wrapper, Document* document)
 {
     ASSERT(V8Document::toImpl(wrapper) == document);
     ASSERT(!document->isHTMLDocument() || (V8Document::toImpl(v8::Handle<v8::Object>::Cast(wrapper->GetPrototype())) == document));
 }
 
-PassOwnPtr<WindowProxy> WindowProxy::create(LocalFrame* frame, DOMWrapperWorld& world, v8::Isolate* isolate)
+PassOwnPtrWillBeRawPtr<WindowProxy> WindowProxy::create(LocalFrame* frame, DOMWrapperWorld& world, v8::Isolate* isolate)
 {
-    return adoptPtr(new WindowProxy(frame, &world, isolate));
+    return adoptPtrWillBeNoop(new WindowProxy(frame, &world, isolate));
 }
 
 WindowProxy::WindowProxy(LocalFrame* frame, PassRefPtr<DOMWrapperWorld> world, v8::Isolate* isolate)
     : m_frame(frame)
     , m_isolate(isolate)
     , m_world(world)
 {
 }
 
+WindowProxy::~WindowProxy()
+{
+    // WindowProxy::clearForClose() must be invoked before destruction starts.

[haraken, 2014/10/05 23:37:26]

WindowProxy::clearForClose() => WindowProxy::clearForClose() or
WindowProxy::clearForNavigation().

or

WindowProxy::clearForClose() => WindowProxy::disposeContext()

[sof, 2014/10/06 07:34:40]

Thanks, updated.

+    ASSERT(!isContextInitialized());
+}
+
+void WindowProxy::trace(Visitor* visitor)
+{
+    visitor->trace(m_frame);
+}
+
 void WindowProxy::disposeContext(GlobalDetachmentBehavior behavior)
 {
     if (!isContextInitialized())
         return;
 
     v8::HandleScope handleScope(m_isolate);
     v8::Handle<v8::Context> context = m_scriptState->context();
     m_frame->loader().client()->willReleaseScriptContext(context, m_world->worldId());
 
     if (behavior == DetachGlobal)
@@ skipping 385 matching lines @@
 
 void WindowProxy::updateSecurityOrigin(SecurityOrigin* origin)
 {
     ASSERT(m_world->isMainWorld());
     if (!isContextInitialized())
         return;
     setSecurityToken(origin);
 }
 
 } // namespace blink