Don't ignore OOM exceptions.

Source/bindings/v8/ScriptController.cpp

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Apple 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.
@@ skipping 105 matching lines @@
         // Dispose of the underlying V8 object before releasing our reference
         // to it, so that if a plugin fails to release it properly we will
         // only leak the NPObject wrapper, not the object, its document, or
         // anything else they reference.
         disposeUnderlyingV8Object(m_windowScriptNPObject, m_isolate);
         _NPN_ReleaseObject(m_windowScriptNPObject);
         m_windowScriptNPObject = 0;
     }
 }
 
-void ScriptController::clearForOutOfMemory()
-{
-    clearForClose(true);
-}
-
-void ScriptController::clearForClose(bool destroyGlobal)
-{
-    m_windowShell->clearForClose(destroyGlobal);
-    for (IsolatedWorldMap::iterator iter = m_isolatedWorlds.begin(); iter != m_isolatedWorlds.end(); ++iter)
-        iter->value->clearForClose(destroyGlobal);
-}
-
 void ScriptController::clearForClose()
 {
     double start = currentTime();
-    clearForClose(false);
+    m_windowShell->clearForClose();
+    for (IsolatedWorldMap::iterator iter = m_isolatedWorlds.begin(); iter != m_isolatedWorlds.end(); ++iter)
+        iter->value->clearForClose();
     blink::Platform::current()->histogramCustomCounts("WebCore.ScriptController.clearForClose", (currentTime() - start) * 1000, 0, 10000, 50);
 }
 
 void ScriptController::updateSecurityOrigin(SecurityOrigin* origin)
 {
     m_windowShell->updateSecurityOrigin(origin);
 }
 
 v8::Local<v8::Value> ScriptController::callFunction(v8::Handle<v8::Function> function, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[])
 {
@@ skipping 498 matching lines @@
         v8Results = evaluateHandleScope.Escape(resultArray);
     }
 
     if (results && !v8Results.IsEmpty()) {
         for (size_t i = 0; i < v8Results->Length(); ++i)
             results->append(ScriptValue(v8Results->Get(i), m_isolate));
     }
 }
 
 } // namespace WebCore