Update avatar button to MD (part 1)

chrome/browser/ui/views/profiles/win10_native_avatar_button.h

+// Copyright 2017 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_PROFILES_WIN10_NATIVE_AVATAR_BUTTON_H_
+#define CHROME_BROWSER_UI_VIEWS_PROFILES_WIN10_NATIVE_AVATAR_BUTTON_H_
+
+#include "chrome/browser/ui/views/profiles/avatar_button.h"
+#include "chrome/browser/ui/views/profiles/avatar_button_style.h"
+#include "ui/views/controls/button/menu_button_listener.h"
+
+class Win10NativeAvatarButton : public AvatarButton {
+ public:
+  Win10NativeAvatarButton(views::MenuButtonListener* listener,
+                          Profile* profile);
+  ~Win10NativeAvatarButton() override;
+
+ protected:
+  gfx::Size GetMinimumSize() const override;

[Evan Stade, 2017/05/02 15:49:20]

nit: these are also overrides and I guess it's best to label them as such as you
did with L24 below. I'd just lump them all together as // AvatarButton rather
than calling out which exact super class declares each of them.

[emx, 2017/05/03 17:10:59]

Done.

+  gfx::Size GetPreferredSize() const override;
+  std::unique_ptr<views::InkDropHighlight> CreateInkDropHighlight()
+      const override;
+
+  // LabelButton:
+  bool UseFloodFillInkDrop() const override;
+
+ private:
+  std::unique_ptr<views::Border> CreateBorder() const;
+
+  DISALLOW_COPY_AND_ASSIGN(Win10NativeAvatarButton);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_WIN10_NATIVE_AVATAR_BUTTON_H_