Added chromoting test environment for the tests to share data.

remoting/test/fake_host_list_fetcher.cc

+// Copyright 2015 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/test/fake_host_list_fetcher.h"
+
+namespace remoting {
+namespace test {
+
+FakeHostListFetcher::FakeHostListFetcher() {
+}
+
+FakeHostListFetcher::~FakeHostListFetcher() {
+}
+
+void FakeHostListFetcher::RetrieveHostlist(const std::string& access_token,
+                                           const HostlistCallback& callback) {
+  callback.Run(host_list_);
+}
+
+}  // namespace test
+}  // namespace remoting