Oilpan: IDBCursor should be detached from IDBRequest when the IDBRequest stops

Source/bindings/v8/WorkerScriptController.cpp

 /*
  * Copyright (C) 2009, 2012 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 78 matching lines @@
         m_isolate->Exit();
         m_isolate->Dispose();
     }
 
 private:
     explicit IsolateCleanupTask(v8::Isolate* isolate) : m_isolate(isolate)  { }
 
     v8::Isolate* m_isolate;
 };
 
+void WorkerScriptController::dispose()
+{
+    m_world->dispose();
+}
+
 WorkerScriptController::~WorkerScriptController()
 {
     ThreadState::current()->removeInterruptor(m_interruptor.get());
 
-    m_world->dispose();
-
     // The corresponding call to didStartWorkerRunLoop is in
     // WorkerThread::workerThread().
     // See http://webkit.org/b/83104#c14 for why this is here.
     blink::Platform::current()->didStopWorkerRunLoop(blink::WebWorkerRunLoop(&m_workerGlobalScope.thread()->runLoop()));
 
     disposeContext();
 
     ThreadState::current()->addCleanupTask(IsolateCleanupTask::create(m_isolate));
 }
 
@@ skipping 142 matching lines @@
     m_disableEvalPending = errorMessage;
 }
 
 void WorkerScriptController::rethrowExceptionFromImportedScript(PassRefPtr<ErrorEvent> errorEvent)
 {
     m_errorEventFromImportedScript = errorEvent;
     throwError(V8ThrowException::createError(v8GeneralError, m_errorEventFromImportedScript->message(), m_isolate), m_isolate);
 }
 
 } // namespace WebCore