Fix rtl shelf overflow bubble

ui/views/bubble/bubble_frame_view.h

Index: ui/views/bubble/bubble_frame_view.h
diff --git a/ui/views/bubble/bubble_frame_view.h b/ui/views/bubble/bubble_frame_view.h
index 6f92883c13b51247507b4d984196bac827e19c86..910bad7739920e82b49feabea75d580076409490 100644
--- a/ui/views/bubble/bubble_frame_view.h
+++ b/ui/views/bubble/bubble_frame_view.h
@@ -72,6 +72,8 @@ class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
   BubbleBorder* bubble_border() const { return bubble_border_; }
   void SetBubbleBorder(std::unique_ptr<BubbleBorder> border);
 
+  void set_mirror_arrow_in_rtl(bool mirror) { mirror_arrow_in_rtl_ = mirror; }
+
   gfx::Insets content_margins() const { return content_margins_; }
 
   void SetFootnoteView(View* view);
@@ -114,6 +116,9 @@ class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
   // The bubble border.
   BubbleBorder* bubble_border_;
 
+  // Adjust insets to account for the mirrored arrow in RTL layout.

[msw, 2016/04/28 20:16:34]

nit:   // Used to adjust insets when the arrow is mirrored in RTL layout.

[Greg Levin, 2016/04/29 14:32:04]

Moved into non_client_view.h, and comment changed to match.

+  bool mirror_arrow_in_rtl_;
+
   // Margins around the title label.
   gfx::Insets title_margins_;