Introduce BubbleDialogDelegateView, which extends DialogDelegateView

chrome/browser/ui/views/autofill/card_unmask_prompt_views.cc

 // Copyright 2014 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/views/autofill/card_unmask_prompt_views.h"
 
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 270 matching lines @@
 }
 
 base::string16 CardUnmaskPromptViews::GetWindowTitle() const {
   return controller_->GetWindowTitle();
 }
 
 void CardUnmaskPromptViews::DeleteDelegate() {
   delete this;
 }
 
-int CardUnmaskPromptViews::GetDialogButtons() const {
-  return ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL;
-}
-
 base::string16 CardUnmaskPromptViews::GetDialogButtonLabel(
     ui::DialogButton button) const {
   if (button == ui::DIALOG_BUTTON_OK)
     return l10n_util::GetStringUTF16(IDS_AUTOFILL_CARD_UNMASK_CONFIRM_BUTTON);
 
   return DialogDelegateView::GetDialogButtonLabel(button);
 }
 
 bool CardUnmaskPromptViews::ShouldDefaultButtonBeBlue() const {
   return true;
@@ skipping 218 matching lines @@
   views::View::OnPaint(canvas);
   canvas->Restore();
 }
 
 void CardUnmaskPromptViews::FadeOutView::SetAlpha(uint8_t alpha) {
   alpha_ = alpha;
   SchedulePaint();
 }
 
 }  // namespace autofill