Standardize usage of virtual/override/final specifiers.

ash/ime/candidate_window_view.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_IME_CANDIDATE_WINDOW_VIEW_H_
 #define ASH_IME_CANDIDATE_WINDOW_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "ui/base/ime/candidate_window.h"
 #include "ui/views/bubble/bubble_delegate.h"
@@ skipping 11 matching lines @@
  public:
   // The object can be monitored by the observer.
   class Observer {
    public:
     virtual ~Observer() {}
     // The function is called when a candidate is committed.
     virtual void OnCandidateCommitted(int index) = 0;
   };
 
   explicit CandidateWindowView(gfx::NativeView parent);
-  virtual ~CandidateWindowView();
+  ~CandidateWindowView() override;
   views::Widget* InitWidget();
 
   // Adds the given observer. The ownership is not transferred.
   void AddObserver(Observer* observer) {
     observers_.AddObserver(observer);
   }
 
   // Removes the given observer.
   void RemoveObserver(Observer* observer) {
     observers_.RemoveObserver(observer);
@@ skipping 24 matching lines @@
   // Candidates are arranged per |orientation|.
   void UpdateCandidates(const ui::CandidateWindow& candidate_window);
 
   void SetCursorBounds(const gfx::Rect& cursor_bounds,
                        const gfx::Rect& composition_head);
 
  private:
   friend class CandidateWindowViewTest;
 
   // Overridden from views::ButtonListener:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) override;
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   void SelectCandidateAt(int index_in_page);
   void UpdateVisibility();
 
   // Initializes the candidate views if needed.
   void MaybeInitializeCandidateViews(
       const ui::CandidateWindow& candidate_window);
 
   // The candidate window data model.
   ui::CandidateWindow candidate_window_;
@@ skipping 36 matching lines @@
   // send OnCandidateWindowOpened and OnCandidateWindowClosed events.
   bool was_candidate_window_open_;
 
   DISALLOW_COPY_AND_ASSIGN(CandidateWindowView);
 };
 
 }  // namespace ime
 }  // namespace ash
 
 #endif  // ASH_IME_CANDIDATE_WINDOW_VIEW_H_