Standardize usage of virtual/override/final in content/

content/public/browser/screen_orientation_provider.h

 // Copyright 2014 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 CONTENT_PUBLIC_BROWSER_SCREEN_ORIENTATION_PROVIDER_H_
 #define CONTENT_PUBLIC_BROWSER_SCREEN_ORIENTATION_PROVIDER_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h"
 
 namespace content {
 
 class ScreenOrientationDelegate;
 class ScreenOrientationDispatcherHost;
 class WebContents;
 
 // Handles screen orientation lock/unlock. Platforms which wish to provide
 // custom implementations can provide a factory for ScreenOrientationDelegate.
 class CONTENT_EXPORT ScreenOrientationProvider : public WebContentsObserver {
  public:
   ScreenOrientationProvider(ScreenOrientationDispatcherHost* dispatcher_host,
                             WebContents* web_contents);
-  virtual ~ScreenOrientationProvider();
+  ~ScreenOrientationProvider() override;
 
   // Lock the screen orientation to |orientations|.
   void LockOrientation(int request_id,
                        blink::WebScreenOrientationLockType lock_orientation);
 
   // Unlock the screen orientation.
   void UnlockOrientation();
 
   // Inform about a screen orientation update. It is called to let the provider
   // know if a lock has been resolved.
   void OnOrientationChange();
 
   // Provide a delegate which creates delegates for platform implementations.
   // The delegate is not owned by ScreenOrientationProvider.
   static void SetDelegate(ScreenOrientationDelegate* delegate_);
 
   // WebContentsObserver
-  virtual void DidToggleFullscreenModeForTab(bool entered_fullscreen) override;
+  void DidToggleFullscreenModeForTab(bool entered_fullscreen) override;
 
  private:
   struct LockInformation {
     LockInformation(int request_id, blink::WebScreenOrientationLockType lock);
     int request_id;
     blink::WebScreenOrientationLockType lock;
   };
 
   // Returns the lock type that should be associated with 'natural' lock.
   // Returns WebScreenOrientationLockDefault if the natural lock type can't be
@@ skipping 16 matching lines @@
   // Locks that require orientation changes are not completed until
   // OnOrientationChange.
   scoped_ptr<LockInformation> pending_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenOrientationProvider);
 };
 
 } // namespace content
 
 #endif // CONTENT_PUBLIC_BROWSER_SCREEN_ORIENTATION_PROVIDER_H_