Move policy code into components/policy.

chrome/browser/policy/policy_service_stub.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 "chrome/browser/policy/policy_service_stub.h"
-
-#include "base/message_loop/message_loop.h"
-
-namespace policy {
-
-PolicyServiceStub::PolicyServiceStub() {}
-
-PolicyServiceStub::~PolicyServiceStub() {}
-
-void PolicyServiceStub::AddObserver(PolicyDomain domain,
-                                    Observer* observer) {}
-
-void PolicyServiceStub::RemoveObserver(PolicyDomain domain,
-                                       Observer* observer) {}
-
-const PolicyMap& PolicyServiceStub::GetPolicies(
-    const PolicyNamespace& ns) const {
-  return kEmpty_;
-};
-
-bool PolicyServiceStub::IsInitializationComplete(PolicyDomain domain) const {
-  return true;
-}
-
-void PolicyServiceStub::RefreshPolicies(const base::Closure& callback) {
-  if (!callback.is_null())
-    callback.Run();
-}
-
-}  // namespace policy