Break dependency on core from generated mojom.js files

mojo/public/js/bindings/connector.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.
 
 define("mojo/public/js/bindings/connector", [
   "mojo/public/js/bindings/codec",
   "mojo/public/js/bindings/core",
   "mojo/public/js/bindings/support",
 ], function(codec, core, support) {
 
   function Connector(handle) {
     this.handle_ = handle;
     this.dropWrites_ = false;
     this.error_ = false;
     this.incomingReceiver_ = null;
     this.readWaitCookie_ = null;
     this.errorHandler_ = null;
 
     this.waitToReadMore_();
   }
 
   Connector.prototype.close = function() {
     if (this.readWaitCookie_) {
       support.cancelWait(this.readWaitCookie_);
       this.readWaitCookie_ = null;
     }
-    if (this.handle_ != core.kInvalidHandle) {
+    if (this.handle_ != null) {
       core.close(this.handle_);
-      this.handle_ = core.kInvalidHandle;
+      this.handle_ = null;
     }
   };
 
   Connector.prototype.accept = function(message) {
     if (this.error_)
       return false;
 
     if (this.dropWrites_)
       return true;
 
@@ skipping 60 matching lines @@
       if (this.incomingReceiver_) {
           this.incomingReceiver_.accept(message);
       }
     }
   };
 
   var exports = {};
   exports.Connector = Connector;
   return exports;
 });