Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/ash/screenshot_taker.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
 #define CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
 
 #include "ash/screenshot_delegate.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 35 matching lines @@
       const base::FilePath& screenshot_path) = 0;
 
  protected:
   virtual ~ScreenshotTakerObserver() {}
 };
 
 class ScreenshotTaker : public ash::ScreenshotDelegate {
  public:
   ScreenshotTaker();
 
-  virtual ~ScreenshotTaker();
+  ~ScreenshotTaker() override;
 
   // Overridden from ash::ScreenshotDelegate:
-  virtual void HandleTakeScreenshotForAllRootWindows() override;
-  virtual void HandleTakePartialScreenshot(aura::Window* window,
-                                           const gfx::Rect& rect) override;
-  virtual bool CanTakeScreenshot() override;
+  void HandleTakeScreenshotForAllRootWindows() override;
+  void HandleTakePartialScreenshot(aura::Window* window,
+                                   const gfx::Rect& rect) override;
+  bool CanTakeScreenshot() override;
 
   void ShowNotification(
       ScreenshotTakerObserver::Result screenshot_result,
       const base::FilePath& screenshot_path);
 
   void AddObserver(ScreenshotTakerObserver* observer);
   void RemoveObserver(ScreenshotTakerObserver* observer);
   bool HasObserver(ScreenshotTakerObserver* observer) const;
 
  private:
@@ skipping 33 matching lines @@
   base::FilePath screenshot_directory_for_test_;
   std::string screenshot_basename_for_test_;
   Profile* profile_for_test_;
 
   base::WeakPtrFactory<ScreenshotTaker> factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenshotTaker);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_