chromeos: Rename ash::WmShelf to Shelf

ash/accelerators/accelerator_controller_delegate_aura.cc

 // Copyright 2016 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_delegate_aura.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <utility>
 
 #include "ash/accelerators/accelerator_commands_aura.h"
 #include "ash/accelerators/debug_commands.h"
 #include "ash/accessibility_types.h"
 #include "ash/debug.h"
 #include "ash/display/display_configuration_controller.h"
 #include "ash/host/ash_window_tree_host.h"
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/root_window_controller.h"
 #include "ash/screenshot_delegate.h"
-#include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/system/system_notifier.h"
 #include "ash/touch/touch_hud_debug.h"
 #include "ash/utility/screenshot_controller.h"
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/wm/power_button_controller.h"
 #include "ash/wm/window_state.h"
-
 #include "ash/wm/wm_event.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/sys_info.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/display/manager/display_manager.h"
 #include "ui/display/screen.h"
 #include "ui/events/event.h"
@@ skipping 303 matching lines @@
       break;
     case UNPIN:
       accelerators::Unpin();
       break;
     default:
       break;
   }
 }
 
 }  // namespace ash