Removing FakePolicyWatcher and introducing FakeAsyncPolicyLoader.

remoting/host/policy_hack/fake_policy_watcher.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 "remoting/host/policy_hack/fake_policy_watcher.h"
-
-#include "base/single_thread_task_runner.h"
-
-namespace remoting {
-namespace policy_hack {
-
-FakePolicyWatcher::FakePolicyWatcher(
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
-    : PolicyWatcher(task_runner) {
-}
-
-FakePolicyWatcher::~FakePolicyWatcher() {
-}
-
-void FakePolicyWatcher::SetPolicies(const base::DictionaryValue* policies) {
-  UpdatePolicies(policies);
-}
-
-void FakePolicyWatcher::SignalTransientErrorForTest() {
-  SignalTransientPolicyError();
-}
-
-void FakePolicyWatcher::StartWatchingInternal() {
-}
-
-void FakePolicyWatcher::StopWatchingInternal() {
-}
-
-}  // namespace policy_hack
-}  // namespace remoting