Standardize usage of virtual/override/final in ui/

ui/compositor/test/test_layer_animation_observer.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 UI_COMPOSITOR_TEST_TEST_LAYER_ANIMATION_OBSERVER_H_
 #define UI_COMPOSITOR_TEST_TEST_LAYER_ANIMATION_OBSERVER_H_
 
 #include "base/compiler_specific.h"
 #include "ui/compositor/layer_animation_observer.h"
 
 namespace ui {
 
 class LayerAnimationSequence;
 
 // Listens to animation ended notifications. Remembers the last sequence that
 // it was notified about.
 class TestLayerAnimationObserver : public LayerAnimationObserver {
  public:
   TestLayerAnimationObserver();
-  virtual ~TestLayerAnimationObserver();
+  ~TestLayerAnimationObserver() override;
 
-  virtual void OnLayerAnimationEnded(
-      LayerAnimationSequence* sequence) override;
+  void OnLayerAnimationEnded(LayerAnimationSequence* sequence) override;
 
-  virtual void OnLayerAnimationAborted(
-      LayerAnimationSequence* sequence) override;
+  void OnLayerAnimationAborted(LayerAnimationSequence* sequence) override;
 
-  virtual void OnLayerAnimationScheduled(
-      LayerAnimationSequence* sequence) override;
+  void OnLayerAnimationScheduled(LayerAnimationSequence* sequence) override;
 
-  virtual bool RequiresNotificationWhenAnimatorDestroyed() const override;
+  bool RequiresNotificationWhenAnimatorDestroyed() const override;
 
   const LayerAnimationSequence* last_ended_sequence() const {
     return last_ended_sequence_;
   }
 
   const LayerAnimationSequence* last_scheduled_sequence() const {
     return last_scheduled_sequence_;
   }
 
   const LayerAnimationSequence* last_aborted_sequence() const {
     return last_aborted_sequence_;
   }
 
   void set_requires_notification_when_animator_destroyed(bool value) {
     requires_notification_when_animator_destroyed_ = value;
   }
 
  private:
   const LayerAnimationSequence* last_ended_sequence_;
   const LayerAnimationSequence* last_scheduled_sequence_;
   const LayerAnimationSequence* last_aborted_sequence_;
   bool requires_notification_when_animator_destroyed_;
 
   // Copy and assign are allowed.
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_TEST_TEST_LAYER_ANIMATION_OBSERVER_H_