Added chromoting test environment for the tests to share data.

remoting/BUILD.gn

Index: remoting/BUILD.gn
diff --git a/remoting/BUILD.gn b/remoting/BUILD.gn
index 0aeb666a8d7fe0f15675024962c8d0a7a020edf4..c071982153ce61ed2e5ef5827b7ebe0ea01308ea 100644
--- a/remoting/BUILD.gn
+++ b/remoting/BUILD.gn
@@ -90,20 +90,28 @@ source_set("test_support") {
     "test/app_remoting_test_driver_environment.cc",
     "test/app_remoting_test_driver_environment.h",
     "test/app_remoting_test_driver_environment_app_details.cc",
+    "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",
     "test/fake_socket_factory.h",
+    "test/host_list_fetcher.cc",
+    "test/host_list_fetcher.h",
     "test/leaky_bucket.cc",
     "test/leaky_bucket.h",
     "test/mock_access_token_fetcher.cc",