Update avatar button to MD

chrome/browser/ui/views/profiles/avatar_button_delegate.h

Index: chrome/browser/ui/views/profiles/avatar_button_delegate.h
diff --git a/chrome/browser/ui/views/profiles/avatar_button_delegate.h b/chrome/browser/ui/views/profiles/avatar_button_delegate.h
index a5f0bb60559bc443a36e635632e5e99e527884d1..f8f6a440f873a90c8262b541db65def82df2705b 100644
--- a/chrome/browser/ui/views/profiles/avatar_button_delegate.h
+++ b/chrome/browser/ui/views/profiles/avatar_button_delegate.h
@@ -5,10 +5,10 @@
 #ifndef CHROME_BROWSER_UI_VIEWS_PROFILES_AVATAR_BUTTON_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_PROFILES_AVATAR_BUTTON_DELEGATE_H_
 
-#include "ui/views/controls/button/button.h"
+#include "ui/views/controls/button/menu_button_listener.h"
 
 // Delegate allowing NewAvatarButton to communicate back to its manager.
-class AvatarButtonDelegate : public views::ButtonListener {
+class AvatarButtonDelegate : public views::MenuButtonListener {
  public:
   // Called when the preferred size changed, e.g., due to a profile name change.
   virtual void ButtonPreferredSizeChanged() = 0;