Added ability to register new hosts using GCD.

remoting/webapp/crd/js/host_controller.js

Index: remoting/webapp/crd/js/host_controller.js
diff --git a/remoting/webapp/crd/js/host_controller.js b/remoting/webapp/crd/js/host_controller.js
index b8015721ee913f309cb5b1e1e262af9e75e518f6..7be18f7065f930fb645aded1179a7f19bf96a15f 100644
--- a/remoting/webapp/crd/js/host_controller.js
+++ b/remoting/webapp/crd/js/host_controller.js
@@ -172,8 +172,8 @@ remoting.HostController.prototype.start = function(hostPin, consent) {
   // Register the host and extract an optional auth code from the host
   // response.  The absence of an auth code is represented by an empty
   // string.

[Jamie, 2015/04/27 23:24:24]

Is this comment still correct?

[John Williams, 2015/04/28 20:27:40]

Fixed.

-  /** @type {!Promise<string>} */
-  var authCodePromise = Promise.all([
+  /** @type {!Promise<remoting.HostListApi.RegisterResult>} */
+  var regResultPromise = Promise.all([
     hostClientIdPromise,
     hostNamePromise,
     keyPairPromise
@@ -184,16 +184,26 @@ remoting.HostController.prototype.start = function(hostPin, consent) {
 
     return remoting.HostListApi.getInstance().register(
         newHostId, hostName, keyPair.publicKey, hostClientId);
-  }).then(function(/** string */ result) {
+  }).then(function(/** remoting.HostListApi.RegisterResult */ result) {
     hostRegistered = true;
     return result;
   });
 
   // Get XMPP creditials.
-  var xmppCredsPromise = authCodePromise.then(function(authCode) {
-    if (authCode) {
+  var xmppCredsPromise = regResultPromise.then(function(regResult) {
+    if (regResult.authCode && regResult.email) {
+      // Use auth code and email supplied by GCD.
+      return that.hostDaemonFacade_.getRefreshTokenFromAuthCode(
+          regResult.authCode).then(function(token) {
+            return {
+              userEmail: regResult.email,
+              refreshToken: token
+            };
+          });
+    } else if (regResult.authCode) {
       // Use auth code supplied by Chromoting registry.
-      return that.hostDaemonFacade_.getCredentialsFromAuthCode(authCode);
+      return that.hostDaemonFacade_.getCredentialsFromAuthCode(
+          regResult.authCode);
     } else {
       // No authorization code returned, use regular Chrome
       // identity credential flow.
@@ -207,8 +217,8 @@ remoting.HostController.prototype.start = function(hostPin, consent) {
   });
 
   // Get as JID to use as the host owner.
-  var hostOwnerPromise = authCodePromise.then(function(authCode) {
-    if (authCode) {
+  var hostOwnerPromise = regResultPromise.then(function(regResult) {
+    if (regResult.authCode && !regResult.email) {

[Jamie, 2015/04/27 23:24:24]

This doesn't look right. You're never using regResult.email, even if it's
present.

[John Williams, 2015/04/28 20:27:40]

Done.

       return that.getClientBaseJid_();
     } else {
       return remoting.identity.getEmail();