Don't ignore OOM exceptions.

Source/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 117 matching lines @@
     void updateDocument();
 
     void namedItemAdded(HTMLDocument*, const AtomicString&);
     void namedItemRemoved(HTMLDocument*, const AtomicString&);
 
     void updateSecurityOrigin(SecurityOrigin*);
     void clearScriptObjects();
     void cleanupScriptObjectsForPlugin(Widget*);
 
     void clearForClose();
-    void clearForOutOfMemory();
 
     NPObject* createScriptObjectForPluginElement(HTMLPlugInElement*);
     NPObject* windowScriptNPObject();
 
     // Registers a v8 extension to be available on webpages. Will only
     // affect v8 contexts initialized after this call. Takes ownership of
     // the v8::Extension object passed.
     static void registerExtensionIfNeeded(v8::Extension*);
     static V8Extensions& registeredExtensions();
 
     bool setContextDebugId(int);
     static int contextDebugId(v8::Handle<v8::Context>);
 
     v8::Isolate* isolate() const { return m_isolate; }
 
 private:
     typedef HashMap<int, OwnPtr<V8WindowShell> > IsolatedWorldMap;
     typedef HashMap<Widget*, NPObject*> PluginObjectMap;
 
     ScriptValue evaluateScriptInMainWorld(const ScriptSourceCode&, AccessControlStatus, ExecuteScriptPolicy);
-    void clearForClose(bool destroyGlobal);
 
     LocalFrame* m_frame;
     const String* m_sourceURL;
     v8::Isolate* m_isolate;
 
     OwnPtr<V8WindowShell> m_windowShell;
     IsolatedWorldMap m_isolatedWorlds;
 
     // A mapping between Widgets and their corresponding script object.
     // This list is used so that when the plugin dies, we can immediately
     // invalidate all sub-objects which are associated with that plugin.
     // The frame keeps a NPObject reference for each item on the list.
     PluginObjectMap m_pluginObjects;
 
     NPObject* m_windowScriptNPObject;
 };
 
 } // namespace WebCore
 
 #endif // ScriptController_h