mash: Move shelf model and item classes to ash/common/shelf

ash/accelerators/accelerator_controller.cc

 // 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.
 
 #include "ash/accelerators/accelerator_controller.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <utility>
 
 #include "ash/accelerators/accelerator_commands.h"
 #include "ash/accelerators/debug_commands.h"
 #include "ash/ash_switches.h"
+#include "ash/common/shelf/shelf_model.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/debug.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/focus_cycler.h"
 #include "ash/gpu_support.h"
 #include "ash/ime_control_delegate.h"
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
 #include "ash/media_delegate.h"
 #include "ash/multi_profile_uma.h"
 #include "ash/new_window_delegate.h"
 #include "ash/root_window_controller.h"
 #include "ash/rotator/screen_rotation_animator.h"
 #include "ash/rotator/window_rotation.h"
 #include "ash/screen_util.h"
 #include "ash/screenshot_delegate.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_delegate.h"
-#include "ash/shelf/shelf_model.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/system/brightness_control_delegate.h"
 #include "ash/system/keyboard_brightness/keyboard_brightness_control_delegate.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/system_notifier.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/system_tray_notifier.h"
@@ skipping 1403 matching lines @@
 }
 
 void AcceleratorController::SetKeyboardBrightnessControlDelegate(
     std::unique_ptr<KeyboardBrightnessControlDelegate>
         keyboard_brightness_control_delegate) {
   keyboard_brightness_control_delegate_ =
       std::move(keyboard_brightness_control_delegate);
 }
 
 }  // namespace ash