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

ash/ime/candidate_window_view.cc

 // 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.
 
 #include "ash/ime/candidate_window_view.h"
 
 #include <string>
 
 #include "ash/ime/candidate_view.h"
 #include "ash/ime/candidate_window_constants.h"
@@ skipping 112 matching lines @@
     SetBorder(views::Border::CreateSolidSidedBorder(
         (position == TOP) ? 1 : 0,
         0,
         (position == BOTTOM) ? 1 : 0,
         0,
         GetNativeTheme()->GetSystemColor(
             ui::NativeTheme::kColorId_MenuBorderColor)));
   }
 
  protected:
-  virtual gfx::Size GetPreferredSize() OVERRIDE {
+  virtual gfx::Size GetPreferredSize() const OVERRIDE {
     gfx::Size size = views::View::GetPreferredSize();
     size.SetToMax(gfx::Size(min_width_, 0));
     return size;
   }
 
  private:
   views::Label* label_;
   int min_width_;
 
   DISALLOW_COPY_AND_ASSIGN(InformationTextArea);
@@ skipping 255 matching lines @@
   for (size_t i = 0; i < candidate_views_.size(); ++i) {
     if (sender == candidate_views_[i]) {
       FOR_EACH_OBSERVER(Observer, observers_, OnCandidateCommitted(i));
       return;
     }
   }
 }
 
 }  // namespace ime
 }  // namespace ash