Upstream changes to run content scripts in their own world.

bindings/v8/ScriptController.h

 /*
  * Copyright (C) 2008, 2009 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 46 matching lines @@
 
         // FIXME: V8Proxy should either be folded into ScriptController
         // or this accessor should be made JSProxy*
         V8Proxy* proxy() { return m_proxy.get(); }
 
         // Evaluate a script file in the environment of this proxy.
         // If succeeded, 'succ' is set to true and result is returned
         // as a string.
         ScriptValue evaluate(const ScriptSourceCode&);
 
+        // Executes JavaScript in a new world associated with the web frame. The
+        // script gets its own global scope, its own prototypes for intrinsic
+        // JavaScript objects (String, Array, and so-on), and its own wrappers for
+        // all DOM nodes and DOM constructors.
+        void evaluateInNewWorld(const Vector<ScriptSourceCode>&);
+
         // Executes JavaScript in a new context associated with the web frame. The
         // script gets its own global scope and its own prototypes for intrinsic
         // JavaScript objects (String, Array, and so-on). It shares the wrappers for
         // all DOM nodes and DOM constructors.
         void evaluateInNewContext(const Vector<ScriptSourceCode>&);
 
         // JSC has a WindowShell object, but for V8, the ScriptController
         // is the WindowShell.
         bool haveWindowShell() const { return true; }
 
@@ skipping 81 matching lines @@
         // The frame keeps a NPObject reference for each item on the list.
         PluginObjectMap m_pluginObjects;
 #if ENABLE(NETSCAPE_PLUGIN_API)
         NPObject* m_windowScriptNPObject;
 #endif
     };
 
 } // namespace WebCore
 
 #endif // ScriptController_h