Updates the IME list when the IME has refreshed.

ash/common/system/chromeos/ime_menu/ime_list_view.h

Index: ash/common/system/chromeos/ime_menu/ime_list_view.h
diff --git a/ash/common/system/chromeos/ime_menu/ime_list_view.h b/ash/common/system/chromeos/ime_menu/ime_list_view.h
index ac14a9f877df5b1a9d7593d9ee05a78d2935ee65..6715963a580b144d0e4c790394164ba55b638851 100644
--- a/ash/common/system/chromeos/ime_menu/ime_list_view.h
+++ b/ash/common/system/chromeos/ime_menu/ime_list_view.h
@@ -42,6 +42,9 @@ class ImeListView : public TrayDetailsView, public ViewClickListener {
   void OnViewClicked(views::View* sender) override;
 
  private:
+  // To allow the test class to access |ime_map_|.
+  friend class ImeMenuTrayTest;
+
   // Appends the IMEs to the scrollable area of the detailed view.
   void AppendIMEList(const IMEInfoList& list);