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..9fccb0ce3d375d38460c68cc7407c0902a11d3c5 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
@@ -19,6 +19,10 @@
 
 class TabIconView;
 
+namespace views {
+class MenuButton;
+}
+
 class BrowserNonClientFrameViewMus : public BrowserNonClientFrameView,
                                      public TabIconViewModel,
                                      public TabStripObserver {
@@ -36,7 +40,7 @@ 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: