Respect opt_scopes in getNewToken.

remoting/webapp/base/js/identity.js

Index: remoting/webapp/base/js/identity.js
diff --git a/remoting/webapp/base/js/identity.js b/remoting/webapp/base/js/identity.js
index d53a0395d010e372a7eaf4ffc22a0dfa284fd7db..2db3f03dccb61e72d235e4f4a2e9e4590be5412e 100644
--- a/remoting/webapp/base/js/identity.js
+++ b/remoting/webapp/base/js/identity.js
@@ -95,7 +95,7 @@ remoting.Identity.prototype.getNewToken = function(opt_scopes) {
   return this.getToken(opt_scopes).then(function(/** string */ token) {
     return new Promise(function(resolve, reject) {
       chrome.identity.removeCachedAuthToken({'token': token }, function() {
-        resolve(that.getToken());
+        resolve(that.getToken(opt_scopes));
       });
     });
   });