ash/wm: Remove dead code.

ui/views/widget/desktop_aura/desktop_dispatcher_client.cc

-// 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 "ui/views/widget/desktop_aura/desktop_dispatcher_client.h"
-
-#include "base/auto_reset.h"
-#include "base/bind.h"
-#include "base/run_loop.h"
-#include "build/build_config.h"
-
-namespace views {
-
-DesktopDispatcherClient::DesktopDispatcherClient() {
-}
-
-DesktopDispatcherClient::~DesktopDispatcherClient() {
-}
-
-void DesktopDispatcherClient::PrepareNestedLoopClosures(
-    base::MessagePumpDispatcher* dispatcher,
-    base::Closure* run_closure,
-    base::Closure* quit_closure) {
-#if defined(OS_WIN)
-  scoped_ptr<base::RunLoop> run_loop(new base::RunLoop(dispatcher));
-#else
-  scoped_ptr<base::RunLoop> run_loop(new base::RunLoop());
-#endif
-  *quit_closure = run_loop->QuitClosure();
-  *run_closure =
-      base::Bind(&base::RunLoop::Run, base::Owned(run_loop.release()));
-}
-
-}  // namespace views