Update avatar button to MD

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

Index: chrome/browser/ui/views/frame/browser_non_client_frame_view.h
diff --git a/chrome/browser/ui/views/frame/browser_non_client_frame_view.h b/chrome/browser/ui/views/frame/browser_non_client_frame_view.h
index 7e1dca0cc6372f9cd339681824573fd33c92fbaf..61635dc8f70a7d0e128b085282d04d365f8465fe 100644
--- a/chrome/browser/ui/views/frame/browser_non_client_frame_view.h
+++ b/chrome/browser/ui/views/frame/browser_non_client_frame_view.h
@@ -7,6 +7,7 @@
 
 #include "chrome/browser/profiles/profile_attributes_storage.h"
 #include "chrome/browser/ui/views/profiles/profile_indicator_icon.h"
+#include "ui/views/controls/button/menu_button.h"
 #include "ui/views/window/non_client_view.h"
 
 class BrowserFrame;
@@ -55,7 +56,7 @@ class BrowserNonClientFrameView : public views::NonClientFrameView,
   virtual void UpdateThrobber(bool running) = 0;
 
   // Returns the profile switcher button, if this frame has any.
-  virtual views::View* GetProfileSwitcherView() const;
+  virtual views::MenuButton* GetProfileSwitcherButton() const;
 
   // Provided for mus. Updates the client-area of the WindowTreeHostMus.
   virtual void UpdateClientArea();