Add bindProxy implementation without callback.

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 80 matching lines @@
     var proxy = new remoteInterface.proxyClass;
     var router = new Router(messagePipe.handle0);
     var connection = new BaseConnection(undefined, proxy, router);
     ProxyBindings(proxy).connection = connection;
     if (proxyCallback)
       proxyCallback(proxy);
 
     return messagePipe.handle1;
   }
 
+  // Return a handle and proxy for a message pipe that's connected to a proxy
+  // for remoteInterface. Used by generated code for outgoing interface&
+  // (request) parameters
+  function getProxy(remoteInterface) {
+    var messagePipe = core.createMessagePipe();
+    if (messagePipe.result != core.RESULT_OK)
+      throw new Error("createMessagePipe failed " + messagePipe.result);
+
+    var proxy = new remoteInterface.proxyClass;
+    var router = new Router(messagePipe.handle0);
+    var connection = new BaseConnection(undefined, proxy, router);
+    ProxyBindings(proxy).connection = connection;
+
+    return {
+      requestHandle: messagePipe.handle1,
+      proxy: proxy
+    };
+  }
+
   // Return a handle for a message pipe that's connected to a stub for
   // localInterface. Used by generated code for outgoing interface
   // parameters: the caller  is given the generated stub via
   // |stubCallback(stub)| and the generated code sends the handle
   // returned by this function. The caller is responsible for managing
   // the lifetime of the stub and for setting it's implementation
   // delegate with: StubBindings(stub).delegate = myImpl;
   function bindImpl(stubCallback, localInterface) {
     var messagePipe = core.createMessagePipe();
     if (messagePipe.result != core.RESULT_OK)
@@ skipping 50 matching lines @@
     var connection = new BaseConnection(obj, undefined, router);
     obj.connection = connection;
     return pipe.handle1;
   }
 
   var exports = {};
   exports.Connection = Connection;
   exports.TestConnection = TestConnection;
 
   exports.bindProxy = bindProxy;
+  exports.getProxy = getProxy;
   exports.bindImpl = bindImpl;
   exports.bindHandleToProxy = bindHandleToProxy;
   exports.bindHandleToStub = bindHandleToStub;
   exports.bindStubDerivedImpl = bindStubDerivedImpl;
   return exports;
 });