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

chrome/browser/ui/views/infobars/translate_message_infobar.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_VIEWS_INFOBARS_TRANSLATE_MESSAGE_INFOBAR_H_
 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_TRANSLATE_MESSAGE_INFOBAR_H_
 
 #include "chrome/browser/ui/views/infobars/translate_infobar_base.h"
 
 class TranslateMessageInfoBar : public TranslateInfoBarBase {
  public:
   explicit TranslateMessageInfoBar(
       scoped_ptr<TranslateInfoBarDelegate> delegate);
 
  private:
   virtual ~TranslateMessageInfoBar();
 
   // TranslateInfoBarBase:
   virtual void Layout() OVERRIDE;
   virtual void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) OVERRIDE;
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
-  virtual int ContentMinimumWidth() OVERRIDE;
+  virtual int ContentMinimumWidth() const OVERRIDE;
 
   // Returns the width of all content other than the label.  Layout() uses this
   // to determine how much space the label can take.
   int NonLabelWidth() const;
 
   views::Label* label_;
   views::LabelButton* button_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateMessageInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_TRANSLATE_MESSAGE_INFOBAR_H_