Converted remoting.Error from an enum to a class

remoting/webapp/crd/js/host_daemon_facade.js

Index: remoting/webapp/crd/js/host_daemon_facade.js
diff --git a/remoting/webapp/crd/js/host_daemon_facade.js b/remoting/webapp/crd/js/host_daemon_facade.js
index 193a7562a609a18097f2e2a5e0d8d962592627dd..330da4c9da548a1b0e233ec47c915b3dd69df226 100644
--- a/remoting/webapp/crd/js/host_daemon_facade.js
+++ b/remoting/webapp/crd/js/host_daemon_facade.js
@@ -48,7 +48,7 @@ remoting.HostDaemonFacade = function() {
    */
   this.initializingPromise_ = null;
 
-  /** @type {remoting.Error} @private */
+  /** @type {!remoting.Error} @private */
   this.error_ = remoting.Error.NONE;
 
   /** @private */
@@ -118,7 +118,7 @@ remoting.HostDaemonFacade.prototype.connectNative_ = function() {
  * @param {string} type Type of the originating request.
  * @param {function(...):void} onDone Response callback. Parameters depend on
  *     the request type.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @constructor
  */
 remoting.HostDaemonFacade.PendingReply = function(type, onDone, onError) {
@@ -148,7 +148,7 @@ remoting.HostDaemonFacade.prototype.hasFeature = function(feature, onDone) {
  * @param {{type: string}} message The message to post.
  * @param {function(...):void} onDone The callback, if any, to be triggered
  *     on response.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @private
  */
 remoting.HostDaemonFacade.prototype.postMessage_ =
@@ -171,7 +171,7 @@ remoting.HostDaemonFacade.prototype.postMessage_ =
  * @param {{type: string}} message The message to post.
  * @param {function(...):void} onDone The callback, if any, to be triggered
  *     on response.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  * @private
  */
@@ -347,7 +347,7 @@ remoting.HostDaemonFacade.prototype.onDisconnect_ = function() {
  * Gets local hostname.
  *
  * @param {function(string):void} onDone Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.getHostName =
@@ -362,7 +362,7 @@ remoting.HostDaemonFacade.prototype.getHostName =
  * @param {string} hostId The host ID.
  * @param {string} pin The PIN.
  * @param {function(string):void} onDone Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.getPinHash =
@@ -380,7 +380,7 @@ remoting.HostDaemonFacade.prototype.getPinHash =
  * host (PublicKeyInfo structure encoded with ASN.1 DER, and then BASE64).
  *
  * @param {function(string, string):void} onDone Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.generateKeyPair =
@@ -399,7 +399,7 @@ remoting.HostDaemonFacade.prototype.generateKeyPair =
  * @param {Object} config The new config parameters.
  * @param {function(remoting.HostController.AsyncResult):void} onDone
  *     Callback to be called when finished.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.updateDaemonConfig =
@@ -415,7 +415,7 @@ remoting.HostDaemonFacade.prototype.updateDaemonConfig =
  * callback.
  *
  * @param {function(Object):void} onDone Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.getDaemonConfig =
@@ -428,7 +428,7 @@ remoting.HostDaemonFacade.prototype.getDaemonConfig =
  * string of the form major.minor.build.patch.
  *
  * @param {function(string):void} onDone Callback to be called to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void}
  */
 remoting.HostDaemonFacade.prototype.getDaemonVersion =
@@ -448,7 +448,7 @@ remoting.HostDaemonFacade.prototype.getDaemonVersion =
  *
  * @param {function(boolean, boolean, boolean):void} onDone Callback to return
  *     result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.getUsageStatsConsent =
@@ -463,7 +463,7 @@ remoting.HostDaemonFacade.prototype.getUsageStatsConsent =
  * @param {boolean} consent Consent to report crash dumps.
  * @param {function(remoting.HostController.AsyncResult):void} onDone
  *     Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.startDaemon =
@@ -480,7 +480,7 @@ remoting.HostDaemonFacade.prototype.startDaemon =
  *
  * @param {function(remoting.HostController.AsyncResult):void} onDone
  *     Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.stopDaemon =
@@ -493,7 +493,7 @@ remoting.HostDaemonFacade.prototype.stopDaemon =
  *
  * @param {function(remoting.HostController.State):void} onDone Callback to
 *      return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.getDaemonState =
@@ -506,7 +506,7 @@ remoting.HostDaemonFacade.prototype.getDaemonState =
  *
  * @param {function(Array<remoting.PairedClient>):void} onDone Callback to
  *     return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  */
 remoting.HostDaemonFacade.prototype.getPairedClients =
     function(onDone, onError) {
@@ -517,7 +517,7 @@ remoting.HostDaemonFacade.prototype.getPairedClients =
  * Clears all paired clients from the registry.
  *
  * @param {function(boolean):void} onDone Callback to be called when finished.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  */
 remoting.HostDaemonFacade.prototype.clearPairedClients =
     function(onDone, onError) {
@@ -529,7 +529,7 @@ remoting.HostDaemonFacade.prototype.clearPairedClients =
  *
  * @param {string} client Client to delete.
  * @param {function(boolean):void} onDone Callback to be called when finished.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  */
 remoting.HostDaemonFacade.prototype.deletePairedClient =
     function(client, onDone, onError) {
@@ -543,7 +543,7 @@ remoting.HostDaemonFacade.prototype.deletePairedClient =
  * Gets the API keys to obtain/use service account credentials.
  *
  * @param {function(string):void} onDone Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.getHostClientId =
@@ -555,7 +555,7 @@ remoting.HostDaemonFacade.prototype.getHostClientId =
  *
  * @param {string} authorizationCode OAuth authorization code.
  * @param {function(string, string):void} onDone Callback to return result.
- * @param {function(remoting.Error):void} onError Callback to call on error.
+ * @param {function(!remoting.Error):void} onError Callback to call on error.
  * @return {void} Nothing.
  */
 remoting.HostDaemonFacade.prototype.getCredentialsFromAuthCode =