replace OVERRIDE and FINAL with override and final in ash/

ash/system/chromeos/rotation/tray_rotation_lock.cc

 // 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.
 
 #include "ash/system/chromeos/rotation/tray_rotation_lock.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/tray_item_more.h"
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
@@ skipping 11 matching lines @@
 // DetailedView. This was chosen over ActionableView in order to reuse the
 // layout and styling of labels and images. This allows RotationLockDefaultView
 // to maintain the look of other system tray items without code duplication.
 class RotationLockDefaultView : public TrayItemMore,
                                 public ShellObserver {
  public:
   explicit RotationLockDefaultView(SystemTrayItem* owner);
   virtual ~RotationLockDefaultView();
 
   // ActionableView:
-  virtual bool PerformAction(const ui::Event& event) OVERRIDE;
+  virtual bool PerformAction(const ui::Event& event) override;
 
   // ShellObserver:
-  virtual void OnMaximizeModeStarted() OVERRIDE;
-  virtual void OnMaximizeModeEnded() OVERRIDE;
+  virtual void OnMaximizeModeStarted() override;
+  virtual void OnMaximizeModeEnded() override;
 
  private:
   void UpdateImage();
 
   DISALLOW_COPY_AND_ASSIGN(RotationLockDefaultView);
 };
 
 RotationLockDefaultView::RotationLockDefaultView(SystemTrayItem* owner)
     : TrayItemMore(owner, false) {
   UpdateImage();
@@ skipping 89 matching lines @@
 
 bool TrayRotationLock::ShouldBeVisible() {
   MaximizeModeController* controller = Shell::GetInstance()->
       maximize_mode_controller();
   return on_primary_display_ &&
          controller->IsMaximizeModeWindowManagerEnabled() &&
          controller->rotation_locked();
 }
 
 }  // namespace ash