Eliminated named constants for instances of remoting.Error.

remoting/webapp/app_remoting/js/app_remoting.js

Index: remoting/webapp/app_remoting/js/app_remoting.js
diff --git a/remoting/webapp/app_remoting/js/app_remoting.js b/remoting/webapp/app_remoting/js/app_remoting.js
index 3d3b58566dc50bdee4b5e19897d15abb322564af..b821be60bea94755137d1875606f9a3857fd71c0 100644
--- a/remoting/webapp/app_remoting/js/app_remoting.js
+++ b/remoting/webapp/app_remoting/js/app_remoting.js
@@ -148,7 +148,8 @@ remoting.AppRemoting.prototype.start = function(connector, token) {
 
         connector.connectMe2App(host, fetchThirdPartyToken);
       } else if (response && response.status == 'pending') {
-        that.handleError(remoting.Error.SERVICE_UNAVAILABLE);
+        that.handleError(new remoting.Error(
+            remoting.Error.Tag.SERVICE_UNAVAILABLE));
       }
     } else {
       console.error('Invalid "runApplication" response from server.');
@@ -156,15 +157,19 @@ remoting.AppRemoting.prototype.start = function(connector, token) {
       // been updated to properly report 'unknown' errors (rather than
       // reporting them as AUTHENTICATION_FAILED).
       if (xhr.status == 0) {
-        that.handleError(remoting.Error.NETWORK_FAILURE);
+        that.handleError(new remoting.Error(
+            remoting.Error.Tag.NETWORK_FAILURE));
       } else if (xhr.status == 401) {
-        that.handleError(remoting.Error.AUTHENTICATION_FAILED);
+        that.handleError(new remoting.Error(
+            remoting.Error.Tag.AUTHENTICATION_FAILED));
       } else if (xhr.status == 403) {
-        that.handleError(remoting.Error.APP_NOT_AUTHORIZED);
+        that.handleError(new remoting.Error(
+            remoting.Error.Tag.APP_NOT_AUTHORIZED));
       } else if (xhr.status == 502 || xhr.status == 503) {
-        that.handleError(remoting.Error.SERVICE_UNAVAILABLE);
+        that.handleError(new remoting.Error(
+            remoting.Error.Tag.SERVICE_UNAVAILABLE));
       } else {
-        that.handleError(remoting.Error.UNEXPECTED);
+        that.handleError(remoting.Error.unexpected());
       }
     }
   };