views: Make view::Views::GetPreferredSize() const.

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"
@@ skipping 27 matching lines @@
  private:
   friend class CandidateWindowViewTest;
   FRIEND_TEST_ALL_PREFIXES(CandidateWindowViewTest, ShortcutSettingTest);
 
   // Overridden from views::CustomButton:
   virtual void StateChanged() OVERRIDE;
 
   // Overridden from View:
   virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
   virtual void Layout() OVERRIDE;
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual 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_