Switch GlobalErrorBubbleView to a BubbleDialogDelegate.

chrome/browser/ui/global_error/global_error.cc

 // Copyright (c) 2012 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/ui/global_error/global_error.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/global_error/global_error_bubble_view_base.h"
 #include "grit/theme_resources.h"
@@ skipping 55 matching lines @@
   // If you change this make sure to also change the menu icon and the app menu
   // icon color.
   return ResourceBundle::GetSharedInstance().GetNativeImageNamed(
       IDR_INPUT_ALERT);
 }
 
 bool GlobalErrorWithStandardBubble::ShouldShowCloseButton() const {
   return false;
 }
 
-bool GlobalErrorWithStandardBubble::ShouldAddElevationIconToAcceptButton() {
-  return false;
-}
-
 void GlobalErrorWithStandardBubble::BubbleViewDidClose(Browser* browser) {
   DCHECK(browser);
   bubble_view_ = NULL;
   OnBubbleViewDidClose(browser);
 }