Views Bubble API adjustments and cleanup

views/widget/widget_delegate.cc

 // Copyright (c) 2011 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 "views/widget/widget_delegate.h"
 
 #include "base/utf_string_conversions.h"
 #include "views/view.h"
 #include "views/views_delegate.h"
 #include "views/widget/widget.h"
@@ skipping 18 matching lines @@
 }
 
 View* WidgetDelegate::GetInitiallyFocusedView() {
   return NULL;
 }
 
 DialogDelegate* WidgetDelegate::AsDialogDelegate() {
   return NULL;
 }
 
-BubbleDelegate* WidgetDelegate::AsBubbleDelegate() {
-  return NULL;
-}
-
 bool WidgetDelegate::CanResize() const {
   return false;
 }
 
 bool WidgetDelegate::CanMaximize() const {
   return false;
 }
 
 bool WidgetDelegate::CanActivate() const {
   return true;
@@ skipping 103 matching lines @@
 
 Widget* WidgetDelegateView::GetWidget() {
   return View::GetWidget();
 }
 
 const Widget* WidgetDelegateView::GetWidget() const {
   return View::GetWidget();
 }
 
 }  // namespace views