Added HostListApl implementation to connect to legacy directory and GCD.

remoting/webapp/crd/js/host_controller_unittest.js

Index: remoting/webapp/crd/js/host_controller_unittest.js
diff --git a/remoting/webapp/crd/js/host_controller_unittest.js b/remoting/webapp/crd/js/host_controller_unittest.js
index 5f32c4d43b5d81a9982c688d09b81a4237b4ee36..60b67a75232684d2a88531805e88916f2f7ba457 100644
--- a/remoting/webapp/crd/js/host_controller_unittest.js
+++ b/remoting/webapp/crd/js/host_controller_unittest.js
@@ -86,6 +86,7 @@ QUnit.module('host_controller', {
     mockHostListApi.authCodeFromRegister = FAKE_AUTH_CODE;
     mockHostListApi.emailFromRegister = '';
     mockHostListApi.hostIdFromRegister = FAKE_HOST_ID;
+    mockHostListApi.hostIdFromConfig = FAKE_HOST_ID;
     remoting.HostListApi.setInstance(mockHostListApi);
     base.debug.assert(remoting.oauth2 === null);
     remoting.oauth2 = new remoting.OAuth2();