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

chrome/browser/chromeos/attestation/platform_verification_dialog.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_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_DIALOG_H_
 #define CHROME_BROWSER_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_DIALOG_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/strings/string16.h"
@@ skipping 30 matching lines @@
   virtual bool Cancel() OVERRIDE;
   virtual bool Accept() OVERRIDE;
   virtual bool Close() OVERRIDE;
   virtual base::string16 GetDialogButtonLabel(
       ui::DialogButton button) const OVERRIDE;
 
   // Overridden from views::WidgetDelegate:
   virtual ui::ModalType GetModalType() const OVERRIDE;
 
   // Overridden from views::View:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
 
   // Overridden from views::StyledLabelListener:
   virtual void StyledLabelLinkClicked(const gfx::Range& range,
                                       int event_flags) OVERRIDE;
 
   content::WebContents* web_contents_;
   base::string16 domain_;
   PlatformVerificationFlow::Delegate::ConsentCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformVerificationDialog);
 };
 
 }  // namespace attestation
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_ATTESTATION_PLATFORM_VERIFICATION_DIALOG_H_