[ash-md] Updates ash shelf tooltips to MD

ui/views/bubble/bubble_dialog_delegate.h

Index: ui/views/bubble/bubble_dialog_delegate.h
diff --git a/ui/views/bubble/bubble_dialog_delegate.h b/ui/views/bubble/bubble_dialog_delegate.h
index 259d095e8489d224d8f5355711421baa79c2da77..4f791cd735813a91207cf60c9c9f32f86e41688e 100644
--- a/ui/views/bubble/bubble_dialog_delegate.h
+++ b/ui/views/bubble/bubble_dialog_delegate.h
@@ -113,6 +113,9 @@ class VIEWS_EXPORT BubbleDialogDelegateView : public DialogDelegateView,
   // Sets the bubble arrow paint type.
   void SetArrowPaintType(BubbleBorder::ArrowPaintType paint_type);
 
+  // Sets the bubble border interior thickness.
+  void SetBorderInteriorThickness(int thickness);
+
   // Call this method when the anchor bounds have changed to reposition the
   // bubble. The bubble is automatically repositioned when the anchor view
   // bounds change as a result of the widget's bounds changing.