[Mac] Make bubble arrow location/position RTL-aware

chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.mm

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.mm b/chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.mm
index 2d80a49d020bfcc35a3947a6b023fb623409fb23..6d842c86958b55175d8e9ce4f76d8d832bf42511 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.mm
@@ -144,10 +144,11 @@ using bookmarks::BookmarkNode;
       [BrowserWindowController browserWindowControllerForWindow:parentWindow];
 
   InfoBubbleView* bubble = self.bubble;
-  [bubble setArrowLocation:info_bubble::kTopRight];
+  [bubble setArrowLocation:info_bubble::kTopTrailing];
 
   // Insure decent positioning even in the absence of a browser controller,
   // which will occur for some unit tests.
+
   NSPoint arrowTip = bwc ? [bwc bookmarkBubblePoint] :
       NSMakePoint([window frame].size.width, [window frame].size.height);
   arrowTip = ui::ConvertPointFromWindowToScreen(parentWindow, arrowTip);