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

Source/core/loader/appcache/ApplicationCacheHost.h

 /*
  * 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 119 matching lines @@
 
         void fillResourceList(ResourceInfoList*);
         CacheInfo applicationCacheInfo();
 
         DECLARE_TRACE();
 
     private:
         explicit ApplicationCacheHost(DocumentLoader*);
 
         // WebApplicationCacheHostClient implementation
-        virtual void didChangeCacheAssociation() override final;
-        virtual void notifyEventListener(WebApplicationCacheHost::EventID) override final;
-        virtual void notifyProgressEventListener(const WebURL&, int progressTotal, int progressDone) override final;
-        virtual void notifyErrorEventListener(WebApplicationCacheHost::ErrorReason, const WebURL&, int status, const WebString& message) override final;
+        void didChangeCacheAssociation() final;
+        void notifyEventListener(WebApplicationCacheHost::EventID) final;
+        void notifyProgressEventListener(const WebURL&, int progressTotal, int progressDone) final;
+        void notifyErrorEventListener(WebApplicationCacheHost::ErrorReason, const WebURL&, int status, const WebString& message) final;
 
         bool isApplicationCacheEnabled();
         DocumentLoader* documentLoader() const { return m_documentLoader; }
 
         struct DeferredEvent {
             EventID eventID;
             int progressTotal;
             int progressDone;
             WebApplicationCacheHost::ErrorReason errorReason;
             String errorURL;
@@ skipping 17 matching lines @@
         Vector<DeferredEvent> m_deferredEvents;
 
         void dispatchDOMEvent(EventID, int progressTotal, int progressDone, WebApplicationCacheHost::ErrorReason, const String& errorURL, int errorStatus, const String& errorMessage);
 
         OwnPtr<WebApplicationCacheHost> m_host;
     };
 
 }  // namespace blink
 
 #endif  // ApplicationCacheHost_h