Eliminate ash::internal namespace

ash/wm/app_list_controller.h

 // 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.
 
 #ifndef ASH_WM_APP_LIST_CONTROLLER_H_
 #define ASH_WM_APP_LIST_CONTROLLER_H_
 
 #include "ash/shelf/shelf_icon_observer.h"
 #include "ash/shell_observer.h"
 #include "base/basictypes.h"
@@ skipping 15 matching lines @@
 
 namespace ui {
 class LocatedEvent;
 }
 
 namespace ash {
 namespace test {
 class AppListControllerTestApi;
 }
 
-namespace internal {
-
 // AppListController is a controller that manages app list UI for shell.
 // It creates AppListView and schedules showing/hiding animation.
 // While the UI is visible, it monitors things such as app list widget's
 // activation state and desktop mouse click to auto dismiss the UI.
 class AppListController : public ui::EventHandler,
                           public aura::client::FocusChangeObserver,
                           public aura::WindowObserver,
                           public ui::ImplicitAnimationObserver,
                           public views::WidgetObserver,
                           public ShellObserver,
@@ skipping 84 matching lines @@
 
   // Cached bounds of |view_| for snapping back animation after over-scroll.
   gfx::Rect view_bounds_;
 
   // Whether should schedule snap back animation.
   bool should_snap_back_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListController);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_APP_LIST_CONTROLLER_H_