Fix virtual/override/final usage in Source/web/.

Source/web/AssociatedURLLoader.h

 /*
  * Copyright (C) 2010, 2011 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 @@
 class WebLocalFrameImpl;
 
 // This class is used to implement WebFrame::createAssociatedURLLoader.
 class AssociatedURLLoader final : public WebURLLoader {
     WTF_MAKE_NONCOPYABLE(AssociatedURLLoader);
 public:
     AssociatedURLLoader(PassRefPtrWillBeRawPtr<WebLocalFrameImpl>, const WebURLLoaderOptions&);
     ~AssociatedURLLoader();
 
     // WebURLLoader methods:
-    virtual void loadSynchronously(const WebURLRequest&, WebURLResponse&, WebURLError&, WebData&) override;
-    virtual void loadAsynchronously(const WebURLRequest&, WebURLLoaderClient*) override;
-    virtual void cancel() override;
-    virtual void setDefersLoading(bool) override;
+    void loadSynchronously(const WebURLRequest&, WebURLResponse&, WebURLError&, WebData&) override;
+    void loadAsynchronously(const WebURLRequest&, WebURLLoaderClient*) override;
+    void cancel() override;
+    void setDefersLoading(bool) override;
 
 private:
 
     class ClientAdapter;
 
     RefPtrWillBePersistent<WebLocalFrameImpl> m_frameImpl;
     WebURLLoaderOptions m_options;
     WebURLLoaderClient* m_client;
     OwnPtr<ClientAdapter> m_clientAdapter;
     RefPtr<DocumentThreadableLoader> m_loader;
 };
 
 } // namespace blink
 
 #endif