Standardize usage of virtual/override/final in ui/

ui/app_list/pagination_model.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_APP_LIST_PAGINATION_MODEL_H_
 #define UI_APP_LIST_PAGINATION_MODEL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 31 matching lines @@
     // this is usually the previous or next page (or -1 when there is no
     // previous or next page).
     int target_page;
 
     // A [0, 1] progress indicates how much of the current page is being
     // transitioned.
     double progress;
   };
 
   PaginationModel();
-  virtual ~PaginationModel();
+  ~PaginationModel() override;
 
   void SetTotalPages(int total_pages);
 
   // Selects a page. |animate| is true if the transition should be animated.
   void SelectPage(int page, bool animate);
 
   // Selects a page by relative |delta|.
   void SelectPageRelative(int delta, bool animate);
 
   // Immediately completes all queued animations, jumping directly to the final
@@ skipping 52 matching lines @@
   // If there is a transition, current page is the transition target page or the
   // pending transition target page. When current page + |delta| goes beyond
   // valid range and |selected_page_| is at the range ends, invalid page number
   // -1 or |total_pages_| is returned to indicate the situation.
   int CalculateTargetPage(int delta) const;
 
   void StartTransitionAnimation(const Transition& transition);
   void ResetTransitionAnimation();
 
   // gfx::AnimationDelegate overrides:
-  virtual void AnimationProgressed(const gfx::Animation* animation) override;
-  virtual void AnimationEnded(const gfx::Animation* animation) override;
+  void AnimationProgressed(const gfx::Animation* animation) override;
+  void AnimationEnded(const gfx::Animation* animation) override;
 
   int total_pages_;
   int selected_page_;
 
   Transition transition_;
 
   // Pending selected page when SelectedPage is called during a transition. If
   // multiple SelectPage is called while a transition is in progress, only the
   // last target page is remembered here.
   int pending_selected_page_;
 
   scoped_ptr<gfx::SlideAnimation> transition_animation_;
   int transition_duration_ms_;  // Transition duration in millisecond.
   int overscroll_transition_duration_ms_;
 
   int last_overscroll_target_page_;
   base::TimeTicks last_overscroll_animation_start_time_;
 
   ObserverList<PaginationModelObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PaginationModel);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_PAGINATION_MODEL_H_