Chromium style checker cleanup

ui/message_center/views/message_center_bubble.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/message_center/views/message_center_bubble.h"
 
 #include <map>
 
 #include "grit/ui_strings.h"
 #include "third_party/skia/include/core/SkPaint.h"
@@ skipping 192 matching lines @@
                       0, views::GridLayout::USE_PREF, 0, 0);
     layout->StartRow(0, 0);
     layout->AddView(notification_label_);
     layout->AddView(settings_button_);
     layout->AddView(close_all_button);
     set_close_all_button(close_all_button);
   }
 
  private:
   // Overridden from views::View:
-  virtual void ChildVisibilityChanged(views::View* child) {
+  virtual void ChildVisibilityChanged(views::View* child) OVERRIDE {
     InvalidateLayout();
   }
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE {
     if (sender == close_all_button())
       observer()->OnRemoveAllNotifications(true);  // Action by user.
     else if (sender == settings_button_)
       observer()->OnShowNotificationSettingsDialog(
@@ skipping 263 matching lines @@
 }
 
 void MessageCenterBubble::OnMouseExitedView() {
 }
 
 size_t MessageCenterBubble::NumMessageViewsForTest() const {
   return contents_view_->NumMessageViews();
 }
 
 }  // namespace message_center