ui: Use stl utilities from the base namespace

ui/message_center/message_center_impl.cc

 // Copyright (c) 2013 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/message_center_impl.h"
 
 #include <algorithm>
 #include <deque>
 #include <utility>
 
@@ skipping 367 matching lines @@
 
 void MessageCenterImpl::AddObserver(MessageCenterObserver* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void MessageCenterImpl::RemoveObserver(MessageCenterObserver* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 void MessageCenterImpl::AddNotificationBlocker(NotificationBlocker* blocker) {
-  if (ContainsValue(blockers_, blocker))
+  if (base::ContainsValue(blockers_, blocker))
     return;
 
   blocker->AddObserver(this);
   blockers_.push_back(blocker);
 }
 
 void MessageCenterImpl::RemoveNotificationBlocker(
     NotificationBlocker* blocker) {
   std::vector<NotificationBlocker*>::iterator iter =
       std::find(blockers_.begin(), blockers_.end(), blocker);
@@ skipping 502 matching lines @@
 }
 
 void MessageCenterImpl::EnableChangeQueueForTest(bool enable) {
   if (enable)
     notification_queue_.reset(new internal::ChangeQueue());
   else
     notification_queue_.reset();
 }
 
 }  // namespace message_center