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ash/display/display_error_observer_chromeos.h

Index: ash/display/display_error_observer_chromeos.h
diff --git a/ash/display/display_error_observer_chromeos.h b/ash/display/display_error_observer_chromeos.h
index 5962357d872d54487f764b3ef25bab3f9d16771f..d62b02cbf5bfc8f4fe46026ef1822e49e665537f 100644
--- a/ash/display/display_error_observer_chromeos.h
+++ b/ash/display/display_error_observer_chromeos.h
@@ -27,10 +27,6 @@ class ASH_EXPORT DisplayErrorObserver
       ui::MultipleDisplayState failed_new_state) override;
 
  private:
-  friend class DisplayErrorObserverTest;
-
-  base::string16 GetDisplayErrorNotificationMessageForTest();
-
   DISALLOW_COPY_AND_ASSIGN(DisplayErrorObserver);
 };