Add encounteredError() to AssociatedInterfacePtrController.

mojo/public/js/associated_bindings.js

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 define("mojo/public/js/associated_bindings", [
   "mojo/public/js/core",
   "mojo/public/js/interface_types",
   "mojo/public/js/lib/interface_endpoint_client",
   "mojo/public/js/lib/interface_endpoint_handle",
 ], function(core, types, interfaceEndpointClient, interfaceEndpointHandle) {
@@ skipping 98 matching lines @@
 
   AssociatedInterfacePtrController.prototype.resetWithReason = function(
       reason) {
     if (this.isBound()) {
       this.interfaceEndpointClient_.close(reason);
       this.interfaceEndpointClient_ = null;
     }
     this.reset();
   };
 
+  // Indicates whether an error has been encountered. If true, method calls
+  // on this interface will be dropped (and may already have been dropped).
+  AssociatedInterfacePtrController.prototype.encounteredError = function() {
+    return this.interfaceEndpointClient_ ?
+        this.interfaceEndpointClient_.encounteredError : false;
+  };
+
   AssociatedInterfacePtrController.prototype.setConnectionErrorHandler =
       function(callback) {
     if (!this.isBound()) {
       throw new Error("Cannot set connection error handler if not bound.");
     }
 
     this.interfaceEndpointClient_.setConnectionErrorHandler(callback);
   };
 
   AssociatedInterfacePtrController.prototype.passInterface = function() {
@@ skipping 103 matching lines @@
 
   var exports = {};
   exports.AssociatedInterfacePtrInfo = types.AssociatedInterfacePtrInfo;
   exports.AssociatedInterfaceRequest = types.AssociatedInterfaceRequest;
   exports.makeRequest = makeRequest;
   exports.AssociatedInterfacePtrController = AssociatedInterfacePtrController;
   exports.AssociatedBinding = AssociatedBinding;
 
   return exports;
 });