Move tray code from ui/chromeos/network/

chrome/browser/ui/webui/chromeos/login/network_dropdown.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 CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_
 
 #include <memory>
 
+#include "ash/common/system/chromeos/network/network_icon_animation_observer.h"
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/chromeos/status/network_menu.h"
 #include "chromeos/network/network_state_handler_observer.h"
-#include "ui/chromeos/network/network_icon_animation_observer.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace content {
 class WebUI;
 }
 
 namespace chromeos {
 
 class NetworkMenuWebUI;
 class NetworkState;
 
 // Class which implements network dropdown menu using WebUI.
 class NetworkDropdown : public NetworkMenu::Delegate,
                         public NetworkStateHandlerObserver,
-                        public ui::network_icon::AnimationObserver {
+                        public ash::network_icon::AnimationObserver {
  public:
   class Actor {
    public:
     virtual ~Actor() {}
     virtual void OnConnectToNetworkRequested() = 0;
   };
 
   NetworkDropdown(Actor* actor, content::WebUI* web_ui, bool oobe);
   ~NetworkDropdown() override;
 
@@ skipping 38 matching lines @@
 
   // Timer used to periodically force network scan.
   base::RepeatingTimer network_scan_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkDropdown);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_