Cleanup BookmarkBubbleView, remove LocationBarBubbleDelegateView::GetDialogButtons()

chrome/browser/ui/views/location_bar/location_bar_bubble_delegate_view.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/location_bar/location_bar_bubble_delegate_view.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
@@ skipping 73 matching lines @@
   if (reason == USER_GESTURE) {
     // In the USER_GESTURE case, the icon will be in an active state so the
     // bubble doesn't need an arrow.
     SetArrowPaintType(views::BubbleBorder::PAINT_TRANSPARENT);
     GetWidget()->Show();
   } else {
     GetWidget()->ShowInactive();
   }
 }
 
-int LocationBarBubbleDelegateView::GetDialogButtons() const {
-  return ui::DIALOG_BUTTON_NONE;
-}
-
 void LocationBarBubbleDelegateView::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_FULLSCREEN_CHANGED, type);
   GetWidget()->SetVisibilityAnimationTransition(views::Widget::ANIMATE_NONE);
   CloseBubble();
 }
 
 void LocationBarBubbleDelegateView::CloseBubble() {
   GetWidget()->Close();
 }
 
 void LocationBarBubbleDelegateView::AdjustForFullscreen(
     const gfx::Rect& screen_bounds) {
   if (GetAnchorView())
     return;
 
   const int kBubblePaddingFromScreenEdge = 20;
   int horizontal_offset = width() / 2 + kBubblePaddingFromScreenEdge;
   const int x_pos = base::i18n::IsRTL()
                         ? (screen_bounds.x() + horizontal_offset)
                         : (screen_bounds.right() - horizontal_offset);
   SetAnchorRect(gfx::Rect(x_pos, screen_bounds.y(), 0, 0));
 }