ui: Use base::MessageLoop.

ui/message_center/views/message_bubble_base.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_bubble_base.h"
 
 #include "base/bind.h"
 #include "ui/message_center/message_center_constants.h"
 #include "ui/message_center/message_center_util.h"
 #include "ui/views/widget/widget.h"
@@ skipping 23 matching lines @@
     bubble_view_->reset_delegate();
 }
 
 void MessageBubbleBase::BubbleViewDestroyed() {
   bubble_view_ = NULL;
   OnBubbleViewDestroyed();
 }
 
 void MessageBubbleBase::ScheduleUpdate() {
   weak_ptr_factory_.InvalidateWeakPtrs();  // Cancel any pending update.
-  MessageLoop::current()->PostDelayedTask(
+  base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&MessageBubbleBase::UpdateBubbleView,
                  weak_ptr_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(kUpdateDelayMs));
 }
 
 bool MessageBubbleBase::IsVisible() const {
   return bubble_view() && bubble_view()->GetWidget()->IsVisible();
 }
 
@@ skipping 17 matching lines @@
   views::TrayBubbleView::InitParams init_params(
       views::TrayBubbleView::ANCHOR_TYPE_TRAY,
       anchor_alignment,
       kNotificationWidth,
       kNotificationWidth);
   init_params.arrow_color = kBackgroundDarkColor;
   return init_params;
 }
 
 }  // namespace message_center