TrayUser::GetTrayIndex method removed as not necessary. Swich->Switch renamed.

ash/system/user/tray_user.h

Index: ash/system/user/tray_user.h
diff --git a/ash/system/user/tray_user.h b/ash/system/user/tray_user.h
index c68ffef0c63ac9f2c23e85080c41641a70eea8ad..87167de2fb2d8355a6b774c4e81d8a1582e8470a 100644
--- a/ash/system/user/tray_user.h
+++ b/ash/system/user/tray_user.h
@@ -76,9 +76,6 @@ class ASH_EXPORT TrayUser : public SystemTrayItem,
 
   void UpdateAvatarImage(user::LoginStatus status);
 
-  // Get the user index which should be used for the tray icon of this item.
-  MultiProfileIndex GetTrayIndex();
-
   // Updates the layout of this item.
   void UpdateLayoutOfItem();