Add managed user avatar menu for mac.

chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller.h

Index: chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller.h
diff --git a/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller.h b/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller.h
index 01c3dce16ac26eaf8dc1400685a642892598d744..82ee01e4e085be65ae74f645f8d5249916fac327 100644
--- a/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller.h
+++ b/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller.h
@@ -24,6 +24,9 @@ class Browser;
 
   // Array of the below view controllers.
   scoped_nsobject<NSMutableArray> items_;
+
+  // Is set to true if the managed user has clicked on Switch Users.
+  BOOL expanded_;
 }
 
 // Designated initializer. The browser is passed to the model for profile
@@ -31,7 +34,7 @@ class Browser;
 - (id)initWithBrowser:(Browser*)parentBrowser
            anchoredAt:(NSPoint)point;
 
-// Creats a new profile.
+// Creates a new profile.
 - (IBAction)newProfile:(id)sender;
 
 // Switches to a given profile. |sender| is an AvatarMenuItemController.