Added chromoting test environment for the tests to share data.

remoting/test/fake_host_list_fetcher.cc

Index: remoting/test/fake_host_list_fetcher.cc
diff --git a/remoting/test/fake_host_list_fetcher.cc b/remoting/test/fake_host_list_fetcher.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0f7b8d2e999b9ae6adeb981ba250e7c68049039b
--- /dev/null
+++ b/remoting/test/fake_host_list_fetcher.cc
@@ -0,0 +1,22 @@
+// 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