ash: Animate changes in the uber tray.

ash/system/ime/tray_ime.h

Index: ash/system/ime/tray_ime.h
diff --git a/ash/system/ime/tray_ime.h b/ash/system/ime/tray_ime.h
index 264944e2451fe21a2740e5d4990735e14bae6ec1..cc635f7fa460bac1c0ba179e37865d0a641ddf81 100644
--- a/ash/system/ime/tray_ime.h
+++ b/ash/system/ime/tray_ime.h
@@ -25,6 +25,8 @@ class IMEDefaultView;
 class IMEDetailedView;
 };
 
+class TrayItemView;
+
 class TrayIME : public SystemTrayItem,
                 public IMEObserver {
  public:
@@ -45,7 +47,7 @@ class TrayIME : public SystemTrayItem,
   // Overridden from IMEObserver.
   virtual void OnIMERefresh() OVERRIDE;
 
-  scoped_ptr<views::Label> tray_label_;
+  scoped_ptr<TrayItemView> tray_label_;
   scoped_ptr<tray::IMEDefaultView> default_;
   scoped_ptr<tray::IMEDetailedView> detailed_;