Make callers of CommandLine use it via the base:: namespace.

ui/message_center/views/message_center_view.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/views/message_center_view.h"
 
 #include <list>
 #include <map>
 
 #include "base/command_line.h"
@@ skipping 409 matching lines @@
     animator_.reset(new views::BoundsAnimator(this));
     animator_->AddObserver(this);
   }
 
   if (!clearing_all_views_.empty()) {
     AnimateClearingOneNotification();
     return;
   }
 
   if (top_down_ ||
-      CommandLine::ForCurrentProcess()->HasSwitch(
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableMessageCenterAlwaysScrollUpUponNotificationRemoval))
     AnimateNotificationsBelowTarget();
   else
     AnimateNotificationsAboveTarget();
 
   adding_views_.clear();
   deleting_views_.clear();
 }
 
 void MessageListView::AnimateNotificationsBelowTarget() {
@@ skipping 567 matching lines @@
   scroller_->InvalidateLayout();
   PreferredSizeChanged();
   Layout();
 }
 
 void MessageCenterView::SetNotificationViewForTest(MessageView* view) {
   message_list_view_->AddNotificationAt(view, 0);
 }
 
 }  // namespace message_center