[WIP] Mojo native bindings interface.

mojo/public/js/connection.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/connection", [
   "mojo/public/js/bindings",
   "mojo/public/js/connector",
   "mojo/public/js/core",
   "mojo/public/js/router",
 ], function(bindings, connector, core, router) {
@@ skipping 124 matching lines @@
     StubBindings(stub).connection = connection;
     if (stubCallback)
       stubCallback(stub);
 
     return messagePipe.handle1;
   }
 
   // Return a remoteInterface proxy for handle. Used by generated code
   // for converting incoming interface parameters to proxies.
   function bindHandleToProxy(handle, remoteInterface) {
-    if (!core.isHandle(handle))
+    if (!(handle instanceof MojoHandle))
       throw new Error("Not a handle " + handle);
 
     var proxy = new remoteInterface.proxyClass;
     var router = new Router(handle);
     var connection = new BaseConnection(undefined, proxy, router);
     ProxyBindings(proxy).connection = connection;
     return proxy;
   }
 
   // Return a localInterface stub for handle. Used by generated code
   // for converting incoming interface& request parameters to localInterface
   // stubs. The caller can specify the stub's implementation of localInterface
   // like this: StubBindings(stub).delegate = myStubImpl.
   function bindHandleToStub(handle, localInterface) {
-    if (!core.isHandle(handle))
+    if (!(handle instanceof MojoHandle))
       throw new Error("Not a handle " + handle);
 
     var stub = new localInterface.stubClass;
     var router = new Router(handle);
     var connection = new BaseConnection(stub, undefined, router);
     StubBindings(stub).connection = connection;
     return stub;
   }
 
   /**
@@ skipping 16 matching lines @@
   exports.TestConnection = TestConnection;
 
   exports.bindProxy = bindProxy;
   exports.getProxy = getProxy;
   exports.bindImpl = bindImpl;
   exports.bindHandleToProxy = bindHandleToProxy;
   exports.bindHandleToStub = bindHandleToStub;
   exports.bindStubDerivedImpl = bindStubDerivedImpl;
   return exports;
 });