Standardize usage of virtual/override/final specifiers.

ash/ime/candidate_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_VIEW_H_
 #define ASH_IME_CANDIDATE_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "base/gtest_prod_util.h"
 #include "ui/base/ime/candidate_window.h"
 #include "ui/views/controls/button/custom_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/view.h"
 
 namespace ash {
 namespace ime {
 
 // CandidateView renderes a row of a candidate.
 class ASH_EXPORT CandidateView : public views::CustomButton {
  public:
   CandidateView(views::ButtonListener* listener,
                 ui::CandidateWindow::Orientation orientation);
-  virtual ~CandidateView() {}
+  ~CandidateView() override {}
 
   void GetPreferredWidths(int* shortcut_width,
                           int* candidate_width);
 
   void SetWidths(int shortcut_width,
                  int candidate_width);
 
   void SetEntry(const ui::CandidateWindow::Entry& entry);
 
   // Sets infolist icon.
   void SetInfolistIcon(bool enable);
 
   void SetHighlighted(bool highlighted);
 
  private:
   friend class CandidateWindowViewTest;
   FRIEND_TEST_ALL_PREFIXES(CandidateWindowViewTest, ShortcutSettingTest);
 
   // Overridden from views::CustomButton:
-  virtual void StateChanged() override;
+  void StateChanged() override;
 
   // Overridden from View:
-  virtual bool OnMouseDragged(const ui::MouseEvent& event) override;
-  virtual void Layout() override;
-  virtual gfx::Size GetPreferredSize() const override;
+  bool OnMouseDragged(const ui::MouseEvent& event) override;
+  void Layout() override;
+  gfx::Size GetPreferredSize() const override;
 
   // The orientation of the candidate view.
   ui::CandidateWindow::Orientation orientation_;
 
   // Views created in the class will be part of tree of |this|, so these
   // child views will be deleted when |this| is deleted.
 
   // The shortcut label renders shortcut numbers like 1, 2, and 3.
   views::Label* shortcut_label_;
   // The candidate label renders candidates.
   views::Label* candidate_label_;
   // The annotation label renders annotations.
   views::Label* annotation_label_;
   // The infolist icon.
   views::View* infolist_icon_;
 
   int shortcut_width_;
   int candidate_width_;
   bool highlighted_;
 
   DISALLOW_COPY_AND_ASSIGN(CandidateView);
 };
 
 }  // namespace ime
 }  // namespace ash
 
 #endif  // ASH_IME_CANDIDATE_VIEW_H_