Remove old cloud policy code.

chrome/browser/policy/delayed_work_scheduler.cc

-// Copyright (c) 2011 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/policy/delayed_work_scheduler.h"
-
-namespace policy {
-
-DelayedWorkScheduler::DelayedWorkScheduler() {
-}
-
-DelayedWorkScheduler::~DelayedWorkScheduler() {
-  timer_.Stop();
-}
-
-void DelayedWorkScheduler::DoDelayedWork() {
-  callback_.Run();
-}
-
-void DelayedWorkScheduler::CancelDelayedWork() {
-  timer_.Stop();
-}
-
-void DelayedWorkScheduler::PostDelayedWork(
-    const base::Closure& callback,
-    int64 delay) {
-  callback_ = callback;
-  timer_.Start(FROM_HERE,
-               base::TimeDelta::FromMilliseconds(delay),
-               this,
-               &DelayedWorkScheduler::DoDelayedWork);
-}
-
-}  // namespace policy