Standardize usage of virtual/override/final specifiers.

ash/wm/overview/window_selector.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 ASH_WM_OVERVIEW_WINDOW_SELECTOR_H_
 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 50 matching lines @@
     UP,
     RIGHT,
     DOWN
   };
 
   typedef std::vector<aura::Window*> WindowList;
   typedef ScopedVector<WindowSelectorItem> WindowSelectorItemList;
 
   WindowSelector(const WindowList& windows,
                  WindowSelectorDelegate* delegate);
-  virtual ~WindowSelector();
+  ~WindowSelector() override;
 
   // Cancels window selection.
   void CancelSelection();
 
   // Called when the last window selector item from a grid is deleted.
   void OnGridEmpty(WindowGrid* grid);
 
   // gfx::DisplayObserver:
-  virtual void OnDisplayAdded(const gfx::Display& display) override;
-  virtual void OnDisplayRemoved(const gfx::Display& display) override;
-  virtual void OnDisplayMetricsChanged(const gfx::Display& display,
-                                       uint32_t metrics) override;
+  void OnDisplayAdded(const gfx::Display& display) override;
+  void OnDisplayRemoved(const gfx::Display& display) override;
+  void OnDisplayMetricsChanged(const gfx::Display& display,
+                               uint32_t metrics) override;
 
   // aura::WindowObserver:
-  virtual void OnWindowAdded(aura::Window* new_window) override;
-  virtual void OnWindowDestroying(aura::Window* window) override;
+  void OnWindowAdded(aura::Window* new_window) override;
+  void OnWindowDestroying(aura::Window* window) override;
 
   // aura::client::ActivationChangeObserver:
-  virtual void OnWindowActivated(aura::Window* gained_active,
-                                 aura::Window* lost_active) override;
-  virtual void OnAttemptToReactivateWindow(
-      aura::Window* request_active,
-      aura::Window* actual_active) override;
+  void OnWindowActivated(aura::Window* gained_active,
+                         aura::Window* lost_active) override;
+  void OnAttemptToReactivateWindow(aura::Window* request_active,
+                                   aura::Window* actual_active) override;
 
   // views::TextfieldController:
-  virtual void ContentsChanged(views::Textfield* sender,
-                               const base::string16& new_contents) override;
-  virtual bool HandleKeyEvent(views::Textfield* sender,
-                              const ui::KeyEvent& key_event) override;
+  void ContentsChanged(views::Textfield* sender,
+                       const base::string16& new_contents) override;
+  bool HandleKeyEvent(views::Textfield* sender,
+                      const ui::KeyEvent& key_event) override;
 
  private:
   friend class WindowSelectorTest;
 
   // Begins positioning windows such that all windows are visible on the screen.
   void StartOverview();
 
   // Position all of the windows in the overview.
   void PositionWindows(bool animate);
 
@@ skipping 58 matching lines @@
   // The number of times the text filtering textfield has been cleared of text
   // during this overview mode session.
   size_t num_times_textfield_cleared_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSelector);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_SELECTOR_H_