Introduce BubbleDialogDelegateView, which extends DialogDelegateView

ui/views/bubble/bubble_delegate.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 "ui/views/bubble/bubble_delegate.h"
 
 #include "build/build_config.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/default_style.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 189 matching lines @@
 
   anchor_rect_ = GetAnchorView()->GetBoundsInScreen();
   anchor_rect_.Inset(anchor_view_insets_);
   return anchor_rect_;
 }
 
 void BubbleDelegateView::OnBeforeBubbleWidgetInit(Widget::InitParams* params,
                                                   Widget* widget) const {
 }
 
-scoped_ptr<View> BubbleDelegateView::CreateFootnoteView() {
+View* BubbleDelegateView::CreateFootnoteView() {
   return nullptr;
 }
 
 void BubbleDelegateView::UseCompactMargins() {
   const int kCompactMargin = 6;
   margins_.Set(kCompactMargin, kCompactMargin, kCompactMargin, kCompactMargin);
 }
 
 void BubbleDelegateView::SetAlignment(BubbleBorder::BubbleAlignment alignment) {
   GetBubbleFrameView()->bubble_border()->set_alignment(alignment);
@@ skipping 108 matching lines @@
   // http://crbug.com/474622 for details.
   if (widget == GetWidget() && visible) {
     ui::AXViewState state;
     GetAccessibleState(&state);
     if (state.role == ui::AX_ROLE_ALERT_DIALOG)
       NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
   }
 }
 
 }  // namespace views