aura: Remove client::UserActionClient.

ash/shell.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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 22 matching lines @@
 namespace app_list {
 class AppListView;
 }
 namespace aura {
 class EventFilter;
 class RootWindow;
 class Window;
 namespace client {
 class ActivationClient;
 class FocusClient;
-class UserActionClient;
 }
 }
 namespace chromeos {
 class OutputConfigurator;
 }
 
 namespace gfx {
 class ImageSkia;
 class Point;
 class Rect;
@@ skipping 605 matching lines @@
   scoped_ptr<VideoDetector> video_detector_;
   scoped_ptr<WindowCycleController> window_cycle_controller_;
   scoped_ptr<WindowSelectorController> window_selector_controller_;
   scoped_ptr<internal::FocusCycler> focus_cycler_;
   scoped_ptr<DisplayController> display_controller_;
   scoped_ptr<HighContrastController> high_contrast_controller_;
   scoped_ptr<MagnificationController> magnification_controller_;
   scoped_ptr<PartialMagnificationController> partial_magnification_controller_;
   scoped_ptr<AutoclickController> autoclick_controller_;
   scoped_ptr<aura::client::FocusClient> focus_client_;
-  scoped_ptr<aura::client::UserActionClient> user_action_client_;
   aura::client::ActivationClient* activation_client_;
   scoped_ptr<internal::MouseCursorEventFilter> mouse_cursor_filter_;
   scoped_ptr<internal::ScreenPositionController> screen_position_controller_;
   scoped_ptr<internal::SystemModalContainerEventFilter> modality_filter_;
   scoped_ptr<internal::EventClientImpl> event_client_;
   scoped_ptr<internal::EventTransformationHandler>
       event_transformation_handler_;
   scoped_ptr<WindowTreeHostFactory> window_tree_host_factory_;
   scoped_ptr<internal::LogoutConfirmationController>
       logout_confirmation_controller_;
@@ skipping 66 matching lines @@
 
   // Injected content::GPUDataManager support.
   scoped_ptr<GPUSupport> gpu_support_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_