Remove a bunch of dead files after the win aura switch.

chrome/browser/ui/views/app_menu_button_win.cc

Index: chrome/browser/ui/views/app_menu_button_win.cc
===================================================================
--- chrome/browser/ui/views/app_menu_button_win.cc	(revision 244941)
+++ chrome/browser/ui/views/app_menu_button_win.cc	(working copy)
@@ -1,22 +0,0 @@
-// 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.
-
-#include "chrome/browser/ui/views/app_menu_button_win.h"
-
-#include "ui/events/event.h"
-#include "ui/gfx/win/hwnd_util.h"
-#include "ui/views/widget/widget.h"
-
-AppMenuButtonWin::AppMenuButtonWin(views::MenuButtonListener* listener)
-    : WrenchToolbarButton(listener) {
-}
-
-bool AppMenuButtonWin::OnKeyPressed(const ui::KeyEvent& event) {
-  if (event.key_code() == ui::VKEY_SPACE) {
-    // Explicitly show the system menu at a good location on [Alt]+[Space].
-    gfx::ShowSystemMenu(GetWidget()->GetNativeView());
-    return false;
-  }
-  return views::MenuButton::OnKeyPressed(event);
-}