Eliminate ash::internal namespace

ash/test/shell_test_api.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_TEST_SHELL_TEST_API_H_
 #define ASH_TEST_SHELL_TEST_API_H_
 
 #include "base/basictypes.h"
 
 namespace wm {
 class InputMethodEventFilter;
 }  // namespace wm
 
 namespace ash {
+class AppListController;
 class AshNativeCursorManager;
-class ShelfDelegate;
-class ShelfModel;
-class Shell;
-
-namespace internal {
-class AppListController;
 class DragDropController;
 class MaximizeModeWindowManager;
 class RootWindowLayoutManager;
 class ScreenPositionController;
+class ShelfDelegate;
+class ShelfModel;
+class Shell;
 class SystemGestureEventFilter;
 class WorkspaceController;
-}  // namespace internal
 
 namespace test {
 
 // Accesses private data from a Shell for testing.
 class ShellTestApi {
 public:
   explicit ShellTestApi(Shell* shell);
 
-  internal::RootWindowLayoutManager* root_window_layout();
+  RootWindowLayoutManager* root_window_layout();
   ::wm::InputMethodEventFilter* input_method_event_filter();
-  internal::SystemGestureEventFilter* system_gesture_event_filter();
-  internal::WorkspaceController* workspace_controller();
-  internal::ScreenPositionController* screen_position_controller();
+  SystemGestureEventFilter* system_gesture_event_filter();
+  WorkspaceController* workspace_controller();
+  ScreenPositionController* screen_position_controller();
   AshNativeCursorManager* ash_native_cursor_manager();
   ShelfModel* shelf_model();
-  internal::DragDropController* drag_drop_controller();
-  internal::AppListController* app_list_controller();
-  internal::MaximizeModeWindowManager* maximize_mode_window_manager();
+  DragDropController* drag_drop_controller();
+  AppListController* app_list_controller();
+  MaximizeModeWindowManager* maximize_mode_window_manager();
   void DisableOutputConfiguratorAnimation();
 
   // Set ShelfDelegate.
   void SetShelfDelegate(ShelfDelegate* delegate);
 
  private:
   Shell* shell_;  // not owned
 
   DISALLOW_COPY_AND_ASSIGN(ShellTestApi);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_SHELL_TEST_API_H_