bindings: Introduces type-check for the internal pointers.

Source/bindings/core/v8/V8WindowShell.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 266 matching lines @@
     return v8::Handle<v8::Object>::Cast(context->Global()->GetPrototype());
 }
 
 bool V8WindowShell::installDOMWindow()
 {
     LocalDOMWindow* window = m_frame->domWindow();
     v8::Local<v8::Object> windowWrapper = V8ObjectConstructor::newInstance(m_isolate, m_scriptState->perContextData()->constructorForType(&V8Window::wrapperTypeInfo));
     if (windowWrapper.IsEmpty())
         return false;
 
-    V8DOMWrapper::setNativeInfoForHiddenWrapper(v8::Handle<v8::Object>::Cast(windowWrapper->GetPrototype()), &V8Window::wrapperTypeInfo, window);
+    V8DOMWrapper::setNativeInfoForHiddenWrapper(v8::Handle<v8::Object>::Cast(windowWrapper->GetPrototype()), &V8Window::wrapperTypeInfo, V8Window::toInternalPointer(window));
 
     // Install the windowWrapper as the prototype of the innerGlobalObject.
     // The full structure of the global object is as follows:
     //
     // outerGlobalObject (Empty object, remains after navigation)
     //   -- has prototype --> innerGlobalObject (Holds global variables, changes during navigation)
     //   -- has prototype --> LocalDOMWindow instance
     //   -- has prototype --> Window.prototype
     //   -- has prototype --> Object.prototype
     //
     // Note: Much of this prototype structure is hidden from web content. The
     //       outer, inner, and LocalDOMWindow instance all appear to be the same
     //       JavaScript object.
     //
     // Note: With Oilpan, the LocalDOMWindow object is garbage collected.
     //       Persistent references to this inner global object view of the LocalDOMWindow
     //       aren't kept, as that would prevent the global object from ever being released.
     //       It is safe not to do so, as the wrapper for the LocalDOMWindow being installed here
     //       already keeps a persistent reference, and it along with the inner global object
     //       views of the LocalDOMWindow will die together once that wrapper clears the persistent
     //       reference.
     v8::Handle<v8::Object> innerGlobalObject = toInnerGlobalObject(m_scriptState->context());
-    V8DOMWrapper::setNativeInfoForHiddenWrapper(innerGlobalObject, &V8Window::wrapperTypeInfo, window);
+    V8DOMWrapper::setNativeInfoForHiddenWrapper(innerGlobalObject, &V8Window::wrapperTypeInfo, V8Window::toInternalPointer(window));
     innerGlobalObject->SetPrototype(windowWrapper);
     V8DOMWrapper::associateObjectWithWrapper<V8Window>(PassRefPtrWillBeRawPtr<LocalDOMWindow>(window), &V8Window::wrapperTypeInfo, windowWrapper, m_isolate, WrapperConfiguration::Dependent);
     V8Window::installPerContextEnabledProperties(windowWrapper, window, m_isolate);
     return true;
 }
 
 void V8WindowShell::updateDocumentWrapper(v8::Handle<v8::Object> wrapper)
 {
     ASSERT(m_world->isMainWorld());
     m_document.set(m_isolate, wrapper);
@@ skipping 162 matching lines @@
 
 void V8WindowShell::updateSecurityOrigin(SecurityOrigin* origin)
 {
     ASSERT(m_world->isMainWorld());
     if (!isContextInitialized())
         return;
     setSecurityToken(origin);
 }
 
 } // namespace blink