Move tray code from ui/chromeos/network/

chrome/browser/ui/webui/chromeos/login/network_dropdown.h

Index: chrome/browser/ui/webui/chromeos/login/network_dropdown.h
diff --git a/chrome/browser/ui/webui/chromeos/login/network_dropdown.h b/chrome/browser/ui/webui/chromeos/login/network_dropdown.h
index aa8843152e98edfbb9deeee6953c66dae818d79e..1de3756d81f268c3f8dd37b4a4dd9fa569b9dfb9 100644
--- a/chrome/browser/ui/webui/chromeos/login/network_dropdown.h
+++ b/chrome/browser/ui/webui/chromeos/login/network_dropdown.h
@@ -7,11 +7,11 @@
 
 #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 {
@@ -26,7 +26,7 @@ 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: