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

chrome/browser/chromeos/attestation/platform_verification_dialog.cc

 // 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.
 
 #include "chrome/browser/chromeos/attestation/platform_verification_dialog.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_navigator.h"
@@ skipping 106 matching lines @@
     default:
       NOTREACHED();
   }
   return base::string16();
 }
 
 ui::ModalType PlatformVerificationDialog::GetModalType() const {
   return ui::MODAL_TYPE_CHILD;
 }
 
-gfx::Size PlatformVerificationDialog::GetPreferredSize() {
+gfx::Size PlatformVerificationDialog::GetPreferredSize() const {
   return gfx::Size(kDialogMaxWidthInPixel,
                    GetHeightForWidth(kDialogMaxWidthInPixel));
 }
 
 void PlatformVerificationDialog::StyledLabelLinkClicked(const gfx::Range& range,
                                                         int event_flags) {
   Browser* browser = chrome::FindBrowserWithWebContents(web_contents_);
   const GURL learn_more_url(chrome::kEnhancedPlaybackNotificationLearnMoreURL);
 
   // |web_contents_| might not be in a browser in case of v2 apps. In that case,
   // open a new tab in the usual way.
   if (!browser) {
     Profile* profile = Profile::FromBrowserContext(
         web_contents_->GetBrowserContext());
     chrome::NavigateParams params(
         profile, learn_more_url, content::PAGE_TRANSITION_LINK);
     params.disposition = SINGLETON_TAB;
     chrome::Navigate(&params);
   } else {
     chrome::ShowSingletonTab(browser, learn_more_url);
   }
 }
 
 }  // namespace attestation
 }  // namespace chromeos