Dart: Rename mojo:X -> dart:mojo.X

services/dart/test/pingpong_target/main.dart

 // Copyright 2015 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.
 
 import 'dart:async';
-import 'mojo:application';
-import 'mojo:bindings';
-import 'mojo:core';
+import 'dart:mojo.application';
+import 'dart:mojo.bindings';
+import 'dart:mojo.core';
 
 import 'package:services/dart/test/pingpong_service.mojom.dart';
 
 class PingPongServiceImpl implements PingPongService {
   PingPongServiceStub _stub;
   Application _application;
   PingPongClientProxy _pingPongClient;
 
   PingPongServiceImpl(this._application, MojoMessagePipeEndpoint endpoint) {
     _stub = new PingPongServiceStub.fromEndpoint(endpoint, this);
@@ skipping 35 matching lines @@
     // Close the application when the first connection goes down.
     connection.onError = close;
   }
 }
 
 main(List args) {
   MojoHandle appHandle = new MojoHandle(args[0]);
   String url = args[1];
   new PingPongApplication.fromHandle(appHandle);
 }