Standardize usage of virtual/override/final in extensions/

extensions/browser/app_window/app_window_contents.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CONTENTS_H_
 #define EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CONTENTS_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 11 matching lines @@
 struct DraggableRegion;
 
 // AppWindowContents class specific to app windows. It maintains a
 // WebContents instance and observes it for the purpose of passing
 // messages to the extensions system.
 class AppWindowContentsImpl : public AppWindowContents,
                               public content::WebContentsObserver,
                               public ExtensionFunctionDispatcher::Delegate {
  public:
   explicit AppWindowContentsImpl(AppWindow* host);
-  virtual ~AppWindowContentsImpl();
+  ~AppWindowContentsImpl() override;
 
   // AppWindowContents
-  virtual void Initialize(content::BrowserContext* context,
-                          const GURL& url) override;
-  virtual void LoadContents(int32 creator_process_id) override;
-  virtual void NativeWindowChanged(NativeAppWindow* native_app_window) override;
-  virtual void NativeWindowClosed() override;
-  virtual void DispatchWindowShownForTests() const override;
-  virtual content::WebContents* GetWebContents() const override;
+  void Initialize(content::BrowserContext* context, const GURL& url) override;
+  void LoadContents(int32 creator_process_id) override;
+  void NativeWindowChanged(NativeAppWindow* native_app_window) override;
+  void NativeWindowClosed() override;
+  void DispatchWindowShownForTests() const override;
+  content::WebContents* GetWebContents() const override;
 
  private:
   // content::WebContentsObserver
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // ExtensionFunctionDispatcher::Delegate
-  virtual WindowController* GetExtensionWindowController() const override;
-  virtual content::WebContents* GetAssociatedWebContents() const override;
+  WindowController* GetExtensionWindowController() const override;
+  content::WebContents* GetAssociatedWebContents() const override;
 
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
   void UpdateDraggableRegions(const std::vector<DraggableRegion>& regions);
   void SuspendRenderViewHost(content::RenderViewHost* rvh);
 
   AppWindow* host_;  // This class is owned by |host_|
   GURL url_;
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(AppWindowContentsImpl);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CONTENTS_H_