New custom styling for action box menu on Os X.

chrome/browser/ui/cocoa/location_bar/plus_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/plus_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/plus_decoration.h b/chrome/browser/ui/cocoa/location_bar/plus_decoration.h
index 6f2422653c398e25ebe60e4a2f768b8f8bfb6947..e318c70f29c5ae372af8732d19303f8349c8933c 100644
--- a/chrome/browser/ui/cocoa/location_bar/plus_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/plus_decoration.h
@@ -7,9 +7,11 @@
 
 #import <Cocoa/Cocoa.h>
 
+#include "base/memory/scoped_nsobject.h"
 #include "chrome/browser/ui/cocoa/location_bar/button_decoration.h"
 #include "chrome/browser/ui/toolbar/action_box_button_controller.h"
 
+@class ActionBoxMenuBubbleController;
 class Browser;
 class LocationBarViewMac;
 
@@ -52,6 +54,8 @@ class PlusDecoration : public ButtonDecoration,
 
   void SetIcons(int normal_id, int hover_id, int pressed_id);
 
+  scoped_nsobject<ActionBoxMenuBubbleController> menu_controller_;
+
   DISALLOW_COPY_AND_ASSIGN(PlusDecoration);
 };