Simplify some old avatar menu button code.

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"
@@ skipping 94 matching lines @@
   const ui::NativeTheme* GetNativeTheme() const override;
   void SchedulePaintInRect(const gfx::Rect& rect) override;
   void OnNativeWidgetActivationChanged(bool active) override;
   void OnNativeWidgetWorkspaceChanged() override;
 
   // Overridden from views::ContextMenuController:
   void ShowContextMenuForView(views::View* source,
                               const gfx::Point& p,
                               ui::MenuSourceType source_type) override;
 
-  AvatarMenuButton* GetAvatarMenuButton();
   views::View* 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:
   NativeBrowserFrame* native_browser_frame_;
 
   // A weak reference to the root view associated with the window. We save a
@@ skipping 14 matching lines @@
   std::unique_ptr<views::MenuRunner> menu_runner_;
 
   const ThemeService* theme_service_;
 
   std::unique_ptr<ui::EventHandler> browser_command_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserFrame);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_