bindings: Implements the named properties object (WindowProperties).

third_party/WebKit/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 334 matching lines @@
     DOMWindow* window = m_frame->domWindow();
     const WrapperTypeInfo* wrapperTypeInfo = window->wrapperTypeInfo();
     v8::Local<v8::Object> windowWrapper;
     v8::Local<v8::Function> constructor = m_scriptState->perContextData()->constructorForType(wrapperTypeInfo);
     if (constructor.IsEmpty())
         return false;
     if (!V8ObjectConstructor::newInstance(m_isolate, constructor).ToLocal(&windowWrapper))
         return false;
     windowWrapper = V8DOMWrapper::associateObjectWithWrapper(m_isolate, window, wrapperTypeInfo, windowWrapper);
 
-    V8DOMWrapper::setNativeInfo(v8::Local<v8::Object>::Cast(windowWrapper->GetPrototype()), wrapperTypeInfo, window);
+    v8::Local<v8::Object> windowPrototype = v8::Local<v8::Object>::Cast(windowWrapper->GetPrototype());
+    RELEASE_ASSERT(!windowPrototype.IsEmpty());
+    V8DOMWrapper::setNativeInfo(windowPrototype, wrapperTypeInfo, window);
+    v8::Local<v8::Object> windowProperties = v8::Local<v8::Object>::Cast(windowPrototype->GetPrototype());
+    RELEASE_ASSERT(!windowProperties.IsEmpty());
+    V8DOMWrapper::setNativeInfo(windowProperties, wrapperTypeInfo, 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 --> DOMWindow instance
     //   -- has prototype --> Window.prototype
+    //   -- has prototype --> WindowProperties (named properties object)
     //   -- has prototype --> EventTarget.prototype
     //   -- has prototype --> Object.prototype
     //
     // Note: Much of this prototype structure is hidden from web content. The
     //       outer, inner, and DOMWindow instance all appear to be the same
     //       JavaScript object.
     v8::Local<v8::Context> context = m_scriptState->context();
     v8::Local<v8::Object> innerGlobalObject = toInnerGlobalObject(m_scriptState->context());
     V8DOMWrapper::setNativeInfo(innerGlobalObject, wrapperTypeInfo, window);
     if (!v8CallBoolean(innerGlobalObject->SetPrototype(context, windowWrapper)))
@@ skipping 184 matching lines @@
 }
 
 void WindowProxy::updateSecurityOrigin(SecurityOrigin* origin)
 {
     if (!isContextInitialized())
         return;
     setSecurityToken(origin);
 }
 
 } // namespace blink