New custom styling for action box menu on Os X.

chrome/browser/ui/cocoa/base_bubble_controller.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/memory/scoped_nsobject.h"
@@ skipping 235 matching lines @@
         origin.x -= NSWidth([window frame]) - offsets.width;
       } else {
         origin.x -= offsets.width;
       }
       break;
     }
 
     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();
   }
 
   origin.y -= NSHeight([window frame]);
   [window setFrameOrigin:origin];
 }
 
 - (void)activateTabWithContents:(TabContents*)newContents
                previousContents:(TabContents*)oldContents
                         atIndex:(NSInteger)index
                     userGesture:(bool)wasUserGesture {
   // The user switched tabs; close.
   [self close];
 }
 
 @end  // BaseBubbleController