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

chrome/browser/ui/views/autofill/generated_credit_card_bubble_views.h

 // Copyright 2013 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_AUTOFILL_GENERATED_CREDIT_CARD_BUBBLE_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_AUTOFILL_GENERATED_CREDIT_CARD_BUBBLE_VIEWS_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 13 matching lines @@
                                        public views::StyledLabelListener {
  public:
   virtual ~GeneratedCreditCardBubbleViews();
 
   // GeneratedCreditCardBubbleView:
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual bool IsHiding() const OVERRIDE;
 
   // views::BubbleDelegateView:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual base::string16 GetWindowTitle() const OVERRIDE;
   virtual void Init() OVERRIDE;
 
   // views::StyledLabelListener:
   virtual void StyledLabelLinkClicked(const gfx::Range& range, int event_flags)
       OVERRIDE;
 
  private:
   friend base::WeakPtr<GeneratedCreditCardBubbleView>
       GeneratedCreditCardBubbleView::Create(
           const base::WeakPtr<GeneratedCreditCardBubbleController>& controller);
 
   explicit GeneratedCreditCardBubbleViews(
      const base::WeakPtr<GeneratedCreditCardBubbleController>& controller);
 
   // Controller that drives this bubble. May be invalid when hiding.
   base::WeakPtr<GeneratedCreditCardBubbleController> controller_;
 
   base::WeakPtrFactory<GeneratedCreditCardBubbleViews> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GeneratedCreditCardBubbleViews);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOFILL_GENERATED_CREDIT_CARD_BUBBLE_VIEWS_H_