New custom styling for action box menu on Os X.

chrome/browser/ui/cocoa/base_bubble_controller.mm

Index: chrome/browser/ui/cocoa/base_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/base_bubble_controller.mm b/chrome/browser/ui/cocoa/base_bubble_controller.mm
index 431c05587848681aee70bdaac8cbe0a14d81dfd5..acd7907bbca55b186d0fc7346b88a5765485a1d2 100644
--- a/chrome/browser/ui/cocoa/base_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/base_bubble_controller.mm
@@ -253,13 +253,21 @@
     case info_bubble::kAlignEdgeToAnchorEdge:
       // If the arrow is to the right then move the origin so that the right
       // edge aligns with the anchor. If the arrow is to the left then there's
-      // nothing to do becaues the left edge is already aligned with the left
+      // nothing to do because the left edge is already aligned with the left
       // edge of the anchor.
       if ([bubble_ arrowLocation] == info_bubble::kTopRight) {
         origin.x -= NSWidth([window frame]);
       }
       break;
 
+    case info_bubble::kAlignRightEdgeToAnchorEdge:
+      origin.x -= NSWidth([window frame]);
+      break;
+
+    case info_bubble::kAlignLeftEdgeToAnchorEdge:
+      // Nothing to do.
+      break;
+
     default:
       NOTREACHED();
   }