Fix virtual/override/final usage in Source/core/{fetch,loader,streams,xmlhttprequest}/.

Source/core/loader/WorkerLoaderClientBridgeSyncHelper.h

 /*
  * Copyright (C) 2014 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 32 matching lines @@
 
 namespace blink {
 
 // This bridge is created and destroyed on the worker thread, but is
 // passed to and used on the main thread. Each did* method records the given
 // data so that they can be run on the worker thread later (by run()).
 class WorkerLoaderClientBridgeSyncHelper : public ThreadableLoaderClient {
     WTF_MAKE_FAST_ALLOCATED(WorkerLoaderClientBridgeSyncHelper);
 public:
     static PassOwnPtr<WorkerLoaderClientBridgeSyncHelper> create(ThreadableLoaderClientWrapper*, PassOwnPtr<WebWaitableEvent>);
-    virtual ~WorkerLoaderClientBridgeSyncHelper();
+    ~WorkerLoaderClientBridgeSyncHelper() override;
 
     // Called on the worker context thread.
     void run();
 
     // Called on the main thread.
-    virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
-    virtual void didReceiveResponse(unsigned long identifier, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
-    virtual void didReceiveData(const char*, unsigned dataLength) override;
-    virtual void didDownloadData(int dataLength) override;
-    virtual void didReceiveCachedMetadata(const char*, int dataLength) override;
-    virtual void didFinishLoading(unsigned long identifier, double finishTime) override;
-    virtual void didFail(const ResourceError&) override;
-    virtual void didFailAccessControlCheck(const ResourceError&) override;
-    virtual void didFailRedirectCheck() override;
-    virtual void didReceiveResourceTiming(const ResourceTimingInfo&) override;
+    void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
+    void didReceiveResponse(unsigned long identifier, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
+    void didReceiveData(const char*, unsigned dataLength) override;
+    void didDownloadData(int dataLength) override;
+    void didReceiveCachedMetadata(const char*, int dataLength) override;
+    void didFinishLoading(unsigned long identifier, double finishTime) override;
+    void didFail(const ResourceError&) override;
+    void didFailAccessControlCheck(const ResourceError&) override;
+    void didFailRedirectCheck() override;
+    void didReceiveResourceTiming(const ResourceTimingInfo&) override;
 
 private:
     WorkerLoaderClientBridgeSyncHelper(ThreadableLoaderClientWrapper*, PassOwnPtr<WebWaitableEvent>);
 
     bool m_done;
     RefPtr<ThreadableLoaderClientWrapper> m_client;
     OwnPtr<WebWaitableEvent> m_event;
     Vector<Vector<char>*> m_receivedData;
     Vector<OwnPtr<Closure>> m_clientTasks;
     Mutex m_lock;
 };
 
 } // namespace blink
 
 #endif // WorkerLoaderClientBridgeSyncHelper_h