Cleanup BookmarkBubbleView, remove LocationBarBubbleDelegateView::GetDialogButtons()

chrome/browser/ui/views/location_bar/zoom_bubble_view.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/views/location_bar/zoom_bubble_view.h"
 
 #include <cmath>
 
 #include "base/auto_reset.h"
 #include "base/i18n/number_formatting.h"
@@ skipping 220 matching lines @@
     immersive_mode_controller_->AddObserver(this);
   UseCompactMargins();
   chrome::RecordDialogCreation(chrome::DialogIdentifier::ZOOM);
 }
 
 ZoomBubbleView::~ZoomBubbleView() {
   if (immersive_mode_controller_)
     immersive_mode_controller_->RemoveObserver(this);
 }
 
+int ZoomBubbleView::GetDialogButtons() const {
+  return ui::DIALOG_BUTTON_NONE;
+}
+
 void ZoomBubbleView::OnGestureEvent(ui::GestureEvent* event) {
   if (!zoom_bubble_ || !zoom_bubble_->auto_close_ ||
       event->type() != ui::ET_GESTURE_TAP) {
     return;
   }
 
   auto_close_ = false;
   StopTimer();
   event->SetHandled();
 }
@@ skipping 186 matching lines @@
                &ZoomBubbleView::CloseBubble);
 }
 
 void ZoomBubbleView::StopTimer() {
   timer_.Stop();
 }
 
 ZoomBubbleView::ZoomBubbleExtensionInfo::ZoomBubbleExtensionInfo() {}
 
 ZoomBubbleView::ZoomBubbleExtensionInfo::~ZoomBubbleExtensionInfo() {}