Revert of Converts chrome to aura-mus

chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.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 "chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.h"
 
 #include "base/strings/string_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/chrome_launcher_prefs.h"
 #include "chrome/browser/ui/ash/launcher/launcher_controller_helper.h"
 #include "extensions/grit/extensions_browser_resources.h"
 #include "mojo/common/common_type_converters.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "ui/events/event_constants.h"
 
 class ChromeShelfItemDelegate : public ash::mojom::ShelfItemDelegate {
  public:
   explicit ChromeShelfItemDelegate(const std::string& app_id,
                                    ChromeLauncherController* controller)
       : app_id_(app_id),
         item_delegate_binding_(this),
         controller_(controller) {}
   ~ChromeShelfItemDelegate() override {}
 
@@ skipping 278 matching lines @@
     app_id_to_item_delegate_.insert(
         std::make_pair(app_id, std::move(delegate)));
 
     AppIconLoader* app_icon_loader = GetAppIconLoaderForApp(app_id);
     if (app_icon_loader) {
       app_icon_loader->FetchImage(app_id);
       app_icon_loader->UpdateImage(app_id);
     }
   }
 }