Update avatar button to MD

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #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;
 class BrowserView;
 class NativeBrowserFrame;
 class NonClientFrameView;
 class SystemMenuModelBuilder;
 
 namespace content {
 struct NativeWebKeyboardEvent;
@@ skipping 87 matching lines @@
   void SchedulePaintInRect(const gfx::Rect& rect) override;
   void OnNativeWidgetActivationChanged(bool active) override;
   void OnNativeWidgetWorkspaceChanged() override;
   void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) override;
 
   // Overridden from views::ContextMenuController:
   void ShowContextMenuForView(views::View* source,
                               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.
   ui::MenuModel* GetSystemMenuModel();
 
  private:
   // Callback for MenuModelAdapter.
   void OnMenuClosed();
 
   NativeBrowserFrame* native_browser_frame_;
@@ skipping 14 matching lines @@
   // Used to show the system menu. Only used if
   // NativeBrowserFrame::UsesNativeSystemMenu() returns false.
   std::unique_ptr<views::MenuRunner> menu_runner_;
 
   std::unique_ptr<ui::EventHandler> browser_command_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserFrame);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_