Handle authentication failures in the v2 app by restarting the app

remoting/webapp/crd/js/oauth2.js

Index: remoting/webapp/crd/js/oauth2.js
diff --git a/remoting/webapp/crd/js/oauth2.js b/remoting/webapp/crd/js/oauth2.js
index 52e12f8841480cf92bb92a8b2d7e274289e2e1cd..7a18a9c996559ca04fba2275ae04a1f43e2ac0a8 100644
--- a/remoting/webapp/crd/js/oauth2.js
+++ b/remoting/webapp/crd/js/oauth2.js
@@ -82,15 +82,19 @@ remoting.OAuth2.prototype.isAuthenticated = function() {
 };
 
 /**
- * Removes all storage, and effectively unauthenticates the user.
+ * Remove the cached auth token, if any.
  *
+ * @param {function():void=} opt_onDone Completion callback.
  * @return {void} Nothing.
  */
-remoting.OAuth2.prototype.clear = function() {
+remoting.OAuth2.prototype.removeCachedAuthToken = function(opt_onDone) {
   window.localStorage.removeItem(this.KEY_EMAIL_);
   window.localStorage.removeItem(this.KEY_FULLNAME_);
   this.clearAccessToken_();
   this.clearRefreshToken_();
+  if (opt_onDone) {
+   opt_onDone();
+  }
 };
 
 /**