Added chromoting test environment for the tests to share data.

remoting/remoting_test.gypi

Index: remoting/remoting_test.gypi
diff --git a/remoting/remoting_test.gypi b/remoting/remoting_test.gypi
index ec3a693440b776c56661fe632cef9fd174c7b804..3da0d66fd54759292de86effe40b3eddfec4cb25 100644
--- a/remoting/remoting_test.gypi
+++ b/remoting/remoting_test.gypi
@@ -56,16 +56,22 @@
         'test/app_remoting_report_issue_request.h',
         'test/app_remoting_service_urls.cc',
         'test/app_remoting_service_urls.h',
+        'test/chromoting_test_driver_environment.cc',
+        'test/chromoting_test_driver_environment.h',
         'test/fake_access_token_fetcher.cc',
         'test/fake_access_token_fetcher.h',
         'test/fake_app_remoting_report_issue_request.cc',
         'test/fake_app_remoting_report_issue_request.h',
+        'test/fake_host_list_fetcher.cc',
+        'test/fake_host_list_fetcher.h',
         'test/fake_network_dispatcher.cc',
         'test/fake_network_dispatcher.h',
         'test/fake_network_manager.cc',
         'test/fake_network_manager.h',
         'test/fake_port_allocator.cc',
         'test/fake_port_allocator.h',
+        'test/fake_refresh_token_store.cc',
+        'test/fake_refresh_token_store.h',
         'test/fake_remote_host_info_fetcher.cc',
         'test/fake_remote_host_info_fetcher.h',
         'test/fake_socket_factory.cc',
@@ -320,6 +326,7 @@
         'signaling/xmpp_signal_strategy_unittest.cc',
         'test/access_token_fetcher_unittest.cc',
         'test/app_remoting_report_issue_request_unittest.cc',
+        'test/chromoting_test_driver_environment_unittest.cc',
         'test/host_list_fetcher_unittest.cc',
         'test/remote_host_info_fetcher_unittest.cc',
         'test/test_chromoting_client_unittest.cc',