[Extensions] Update last_error.js, send_request.js

extensions/renderer/resources/binding.js

 // Copyright 2014 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.
 
 var Event = require('event_bindings').Event;
 var forEach = require('utils').forEach;
 // Note: Beware sneaky getters/setters when using GetAvailbility(). Use safe/raw
 // variables as arguments.
 var GetAvailability = requireNative('v8_context').GetAvailability;
 var exceptionHandler = require('uncaught_exception_handler');
@@ skipping 421 matching lines @@
                                    args);
           }
 
           sendRequestHandler.clearCalledSendRequest();
 
           var retval;
           if (this.handleRequest) {
             retval = $Function.apply(this.handleRequest, this, args);
           } else {
             var optArgs = {
+              __proto__: null,
               customCallback: this.customCallback
             };
             retval = sendRequest(this.name, args,
                                  this.definition.parameters,
                                  optArgs);
           }
           sendRequestHandler.clearCalledSendRequest();
 
           // Validate return value if in sanity check mode.
           if (logging.DCHECK_IS_ON() && this.definition.returns)
@@ skipping 130 matching lines @@
                     availability.message);
       return;
     }
 
     this.runHooks_(mod, schema);
     return mod;
   }
 };
 
 exports.$set('Binding', Binding);