Simplify some old avatar menu button code.

chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm

Index: chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm
diff --git a/chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm b/chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm
index faa633420a7f9e6ad3c69c61d1dce1b327cd7d3a..57f131303ca923f0e33f67bb9363f2e593829d1a 100644
--- a/chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm
+++ b/chrome/browser/ui/cocoa/profiles/profile_menu_controller.mm
@@ -151,11 +151,8 @@ class Observer : public chrome::BrowserListObserver,
       [item setIndentationLevel:1];
     } else {
       gfx::Image itemIcon;
-      bool isRectangle;
       // Always use the low-res, small default avatars in the menu.
-      AvatarMenu::GetImageForMenuButton(itemData.profile_path,
-                                        &itemIcon,
-                                        &isRectangle);
+      AvatarMenu::GetImageForMenuButton(itemData.profile_path, &itemIcon);
 
       // The image might be too large and need to be resized (i.e. if this is
       // a signed-in user using the GAIA profile photo).