Change the return type of WTF::bind() to |OwnPtr<Function>|

Source/web/WebSharedWorkerImpl.cpp

 /*
  * Copyright (C) 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 69 matching lines @@
     static PassOwnPtr<Loader> create()
     {
         return adoptPtr(new Loader());
     }
 
     virtual ~Loader()
     {
         m_scriptLoader->setClient(0);
     }
 
-    void load(ExecutionContext* loadingContext, const KURL& scriptURL, const Closure& receiveResponseCallback, const Closure& finishCallback)
+    void load(ExecutionContext* loadingContext, const KURL& scriptURL, PassOwnPtr<Closure> receiveResponseCallback, PassOwnPtr<Closure> finishCallback)
     {
         ASSERT(loadingContext);
         m_receiveResponseCallback = receiveResponseCallback;
         m_finishCallback = finishCallback;
         m_scriptLoader->setRequestContext(WebURLRequest::RequestContextSharedWorker);
         m_scriptLoader->loadAsynchronously(
             *loadingContext, scriptURL, DenyCrossOriginRequests, this);
     }
 
     void didReceiveResponse(unsigned long identifier, const ResourceResponse& response) override
     {
         m_identifier = identifier;
         m_appCacheID = response.appCacheID();
-        m_receiveResponseCallback();
+        (*m_receiveResponseCallback)();
     }
 
     virtual void notifyFinished() override
     {
-        m_finishCallback();
+        (*m_finishCallback)();
     }
 
     void cancel()
     {
         m_scriptLoader->cancel();
     }
 
     bool failed() const { return m_scriptLoader->failed(); }
     const KURL& url() const { return m_scriptLoader->responseURL(); }
     String script() const { return m_scriptLoader->script(); }
     unsigned long identifier() const { return m_identifier; }
     long long appCacheID() const { return m_appCacheID; }
 
 private:
     Loader() : m_scriptLoader(WorkerScriptLoader::create()), m_identifier(0), m_appCacheID(0)
     {
     }
 
     RefPtr<WorkerScriptLoader> m_scriptLoader;
     unsigned long m_identifier;
     long long m_appCacheID;
-    Closure m_receiveResponseCallback;
-    Closure m_finishCallback;
+    OwnPtr<Closure> m_receiveResponseCallback;
+    OwnPtr<Closure> m_finishCallback;
 };
 
 // This function is called on the main thread to force to initialize some static
 // values used in WebKit before any worker thread is started. This is because in
 // our worker processs, we do not run any WebKit code in main thread and thus
 // when multiple workers try to start at the same time, we might hit crash due
 // to contention for initializing static values.
 static void initializeWebKitStaticValues()
 {
     static bool initialized = false;
@@ skipping 309 matching lines @@
     if (devtoolsAgent)
         devtoolsAgent->dispatchOnInspectorBackend(message);
 }
 
 WebSharedWorker* WebSharedWorker::create(WebSharedWorkerClient* client)
 {
     return new WebSharedWorkerImpl(client);
 }
 
 } // namespace blink