Customize user details in ash system bubble for public account mode

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 fcd9d723ad33c17ad6ef39df00d38c533a46b657..b38705e9160718d5cad282e8ad4f6b369a5e447a 100644
--- a/ash/system/user/tray_user.h
+++ b/ash/system/user/tray_user.h
@@ -7,6 +7,7 @@
 
 #include "ash/system/tray/system_tray_item.h"
 #include "ash/system/user/user_observer.h"
+#include "base/compiler_specific.h"
 
 namespace views {
 class ImageView;
@@ -28,7 +29,7 @@ class TrayUser : public SystemTrayItem,
   virtual ~TrayUser();
 
  private:
-  // Overridden from SystemTrayItem
+  // Overridden from SystemTrayItem.
   virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE;
   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;