mash: Move AutoHideEventHandler to WmShelfAura.

ash/shelf/shelf_widget.cc

 // Copyright 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/shelf/shelf_widget.h"
 
 #include "ash/aura/wm_shelf_aura.h"
 #include "ash/common/focus_cycler.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/shelf_background_animator_observer.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shelf/shelf_delegate.h"
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/system/status_area_widget.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/wm_root_window_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/shelf/dimmer_view.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
-#include "ash/shell.h"
 #include "ash/wm/status_area_layout_manager.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/memory/ptr_util.h"
 #include "grit/ash_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia_operations.h"
@@ skipping 477 matching lines @@
 void ShelfWidget::UpdateShelfItemBackground(int alpha) {
   if (shelf_)
     shelf_->UpdateShelfItemBackground(alpha);
 }
 
 void ShelfWidget::WillDeleteShelfLayoutManager() {
   shelf_layout_manager_->RemoveObserver(this);
   shelf_layout_manager_ = nullptr;
 }
 
-void ShelfWidget::OnMouseEvent(ui::MouseEvent* event) {
-  Widget::OnMouseEvent(event);
-  if (Shell::GetInstance()->in_mus() && shelf_layout_manager_)
-    shelf_layout_manager_->UpdateAutoHideForMouseEvent(event);
-}
-
-void ShelfWidget::OnGestureEvent(ui::GestureEvent* event) {
-  Widget::OnGestureEvent(event);
-  if (Shell::GetInstance()->in_mus() && shelf_layout_manager_)
-    shelf_layout_manager_->UpdateAutoHideForGestureEvent(event);
-}
-
 }  // namespace ash