Add managed user avatar menu for mac.

chrome/browser/ui/cocoa/browser_window_controller.h

Index: chrome/browser/ui/cocoa/browser_window_controller.h
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.h b/chrome/browser/ui/cocoa/browser_window_controller.h
index 5eee4e4ef39551712f3da898f8f7dda3fb1be2a1..e9a57bc42866867148ecefab66083ae370e7415e 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.h
+++ b/chrome/browser/ui/cocoa/browser_window_controller.h
@@ -26,6 +26,7 @@
 #include "ui/gfx/rect.h"
 
 @class AvatarButtonController;
+@class AvatarLabelController;
 class Browser;
 class BrowserWindow;
 class BrowserWindowCocoa;
@@ -108,6 +109,10 @@ class WebContents;
   // unless it's appropriate to show it.
   scoped_nsobject<AvatarButtonController> avatarButtonController_;
 
+  // The label that is displayed on the side of the avatar icon of a managed
+  // user.
+  scoped_nsobject<AvatarLabelController> avatarLabelController_;
+
   // Lazily created view which draws the background for the floating set of bars
   // in presentation mode (for window types having a floating bar; it remains
   // nil for those which don't).
@@ -225,6 +230,9 @@ class WebContents;
 // Access the avatar button controller.
 - (AvatarButtonController*)avatarButtonController;
 
+// Access the avatar label.
+- (AvatarLabelController*)avatarLabelController;
+
 // Updates the toolbar (and transitively the location bar) with the states of
 // the specified |tab|.  If |shouldRestore| is true, we're switching
 // (back?) to this tab and should restore any previous location bar state