Update avatar button to MD

chrome/browser/ui/views/frame/browser_frame.cc

Index: chrome/browser/ui/views/frame/browser_frame.cc
diff --git a/chrome/browser/ui/views/frame/browser_frame.cc b/chrome/browser/ui/views/frame/browser_frame.cc
index 3a6964f404fc81588aa945892e359795a9db1b75..ed544bcc1ddb27b56fd26c90d38bc3383ce4ad2f 100644
--- a/chrome/browser/ui/views/frame/browser_frame.cc
+++ b/chrome/browser/ui/views/frame/browser_frame.cc
@@ -281,8 +281,8 @@ ui::MenuModel* BrowserFrame::GetSystemMenuModel() {
   return menu_model_builder_->menu_model();
 }
 
-views::View* BrowserFrame::GetNewAvatarMenuButton() {
-  return browser_frame_view_->GetProfileSwitcherView();
+views::MenuButton* BrowserFrame::GetNewAvatarMenuButton() {
+  return browser_frame_view_->GetProfileSwitcherButton();
 }
 
 void BrowserFrame::OnMenuClosed() {