Simplify some old avatar menu button code.

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

Index: chrome/browser/ui/views/frame/taskbar_decorator.h
diff --git a/chrome/browser/ui/views/frame/taskbar_decorator.h b/chrome/browser/ui/views/frame/taskbar_decorator.h
deleted file mode 100644
index 20584e8375a07b94e41b0f3837090b0dbccd5cfa..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/frame/taskbar_decorator.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright (c) 2013 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_TASKBAR_DECORATOR_H_
-#define CHROME_BROWSER_UI_VIEWS_FRAME_TASKBAR_DECORATOR_H_
-
-#include "ui/gfx/native_widget_types.h"
-
-namespace gfx {
-class Image;
-}
-
-namespace chrome {
-
-// Draws a scaled version of the avatar in |image| on the taskbar button
-// associated with top level, visible |window|. Currently only implemented
-// for Windows 7 and above.
-void DrawTaskbarDecoration(gfx::NativeWindow window, const gfx::Image* image);
-
-}
-
-#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_TASKBAR_DECORATOR_H_