replace OVERRIDE and FINAL with override and final in ash/

ash/wm/overview/window_grid.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 ASH_WM_OVERVIEW_WINDOW_GRID_H_
 #define ASH_WM_OVERVIEW_WINDOW_GRID_H_
 
 #include <vector>
 
 #include "ash/wm/overview/window_selector.h"
@@ skipping 75 matching lines @@
   bool is_selecting() const { return selection_widget_ != NULL; }
 
   // Returns the root window in which the grid displays the windows.
   const aura::Window* root_window() const { return root_window_; }
 
   const std::vector<WindowSelectorItem*>& window_list() const {
     return window_list_.get();
   }
 
   // aura::WindowObserver:
-  virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
+  virtual void OnWindowDestroying(aura::Window* window) override;
   // TODO(flackr): Handle window bounds changed in WindowSelectorItem.
   virtual void OnWindowBoundsChanged(aura::Window* window,
                                      const gfx::Rect& old_bounds,
-                                     const gfx::Rect& new_bounds) OVERRIDE;
+                                     const gfx::Rect& new_bounds) override;
 
  private:
   friend class WindowSelectorTest;
 
   // Internal function to initialize the selection widget.
   void InitSelectionWidget(WindowSelector::Direction direction);
 
   // Moves the selection widget to the specified |direction|.
   void MoveSelectionWidget(WindowSelector::Direction direction,
                            bool recreate_selection_widget,
@@ skipping 26 matching lines @@
 
   // Number of columns in the grid.
   size_t num_columns_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowGrid);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_GRID_H_