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..a7064707137f32715ef053d850a103a4451edfa5 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
@@ -12,6 +12,10 @@
 class BrowserFrame;
 class BrowserView;
 
+namespace views {
+class MenuButton;
+}
+
 // A specialization of the NonClientFrameView object that provides additional
 // Browser-specific methods.
 class BrowserNonClientFrameView : public views::NonClientFrameView,
@@ -55,7 +59,7 @@ 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();