Don't ignore OOM exceptions.

Source/bindings/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 91 matching lines @@
         context->DetachGlobal();
 
     m_perContextData.clear();
 
     // It's likely that disposing the context has created a lot of
     // garbage. Notify V8 about this so it'll have a chance of cleaning
     // it up when idle.
     V8GCForContextDispose::instanceTemplate().notifyContextDisposed(m_frame->isMainFrame());
 }
 
-void V8WindowShell::clearForClose(bool destroyGlobal)
+void V8WindowShell::clearForClose()
 {
-    if (destroyGlobal)
-        m_global.clear();
-
     if (!m_perContextData)
         return;
 
     m_document.clear();
     disposeContext(DoNotDetachGlobal);
 }
 
 void V8WindowShell::clearForNavigation()
 {
     if (!m_perContextData)
@@ skipping 365 matching lines @@
 void V8WindowShell::updateSecurityOrigin(SecurityOrigin* origin)
 {
     ASSERT(m_world->isMainWorld());
     if (!m_perContextData)
         return;
     v8::HandleScope handleScope(m_isolate);
     setSecurityToken(origin);
 }
 
 } // WebCore