Update avatar button to MD

chrome/browser/ui/views/frame/browser_non_client_frame_view_mus.h

Index: chrome/browser/ui/views/frame/browser_non_client_frame_view_mus.h
diff --git a/chrome/browser/ui/views/frame/browser_non_client_frame_view_mus.h b/chrome/browser/ui/views/frame/browser_non_client_frame_view_mus.h
index 0209dc70a178cc95c6c33ec5ac5d9eea8965efc7..817218506265df7235a19061de0924f6bdb7f282 100644
--- a/chrome/browser/ui/views/frame/browser_non_client_frame_view_mus.h
+++ b/chrome/browser/ui/views/frame/browser_non_client_frame_view_mus.h
@@ -12,6 +12,7 @@
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 #include "chrome/browser/ui/views/tab_icon_view_model.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_observer.h"
+#include "ui/views/controls/button/menu_button.h"
 
 #if !defined(OS_CHROMEOS)
 #include "chrome/browser/ui/views/frame/avatar_button_manager.h"
@@ -36,7 +37,7 @@ class BrowserNonClientFrameViewMus : public BrowserNonClientFrameView,
   int GetTopInset(bool restored) const override;
   int GetThemeBackgroundXInset() const override;
   void UpdateThrobber(bool running) override;
-  views::View* GetProfileSwitcherView() const override;
+  views::MenuButton* GetProfileSwitcherButton() const override;
   void UpdateClientArea() override;
 
   // views::NonClientFrameView: