Update avatar button to MD

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

Index: chrome/browser/ui/views/frame/browser_frame.h
diff --git a/chrome/browser/ui/views/frame/browser_frame.h b/chrome/browser/ui/views/frame/browser_frame.h
index abc65a7108b1f0b2b4ca5a9ee38c6ad1e0394dea..caa5a6ee19048344fccf094d33de4abfd5ca5051 100644
--- a/chrome/browser/ui/views/frame/browser_frame.h
+++ b/chrome/browser/ui/views/frame/browser_frame.h
@@ -11,6 +11,7 @@
 #include "build/build_config.h"
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 #include "ui/views/context_menu_controller.h"
+#include "ui/views/controls/button/menu_button.h"

[Peter Kasting, 2017/04/26 02:09:53]

Nit: Forward-declare rather than #include

[emx, 2017/04/27 16:30:58]

Done.

 #include "ui/views/widget/widget.h"
 
 class BrowserRootView;
@@ -118,7 +119,7 @@ class BrowserFrame
                               const gfx::Point& p,
                               ui::MenuSourceType source_type) override;
 
-  views::View* GetNewAvatarMenuButton();
+  views::MenuButton* GetNewAvatarMenuButton();
 
   // Returns the menu model. BrowserFrame owns the returned model.
   // Note that in multi user mode this will upon each call create a new model.