Dart: Removes name conflicts from generated bindings.

mojo/dart/embedder/test/dart_to_cpp_tests.dart

 // 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.
 
 import 'dart:async';
 import 'dart:typed_data';
 import 'mojo:bindings' as bindings;
 import 'mojo:core' as core;
 
 import 'package:mojo/dart/embedder/test/dart_to_cpp.mojom.dart';
 
-class DartSideImpl extends DartSide {
+class DartSideImpl implements DartSide {
   static const int BAD_VALUE = 13;
   static const int ELEMENT_BYTES = 1;
   static const int CAPACITY_BYTES = 64;
 
-  CppSideProxy cppSide;
+  DartSideStub _stub;
+  CppSideProxy cppSideProxy;
+  CppSide cppSide;
 
   Uint8List _sampleData;
   Uint8List _sampleMessage;
   Completer _completer;
 
-  DartSideImpl(core.MojoMessagePipeEndpoint endpoint) : super(endpoint) {
-    super.delegate = this;
+  DartSideImpl(core.MojoMessagePipeEndpoint endpoint) {
+    _stub = new DartSideStub.fromEndpoint(endpoint)
+            ..delegate = this
+            ..listen();
     _sampleData = new Uint8List(CAPACITY_BYTES);
     for (int i = 0; i < _sampleData.length; ++i) {
       _sampleData[i] = i;
     }
     _sampleMessage = new Uint8List(CAPACITY_BYTES);
     for (int i = 0; i < _sampleMessage.length; ++i) {
       _sampleMessage[i] = 255 - i;
     }
     _completer = new Completer();
   }
 
   EchoArgsList createEchoArgsList(List<EchoArgs> list) {
     return list.fold(null, (result, arg) {
       var element = new EchoArgsList();
       element.item = arg;
       element.next = result;
       return element;
     });
   }
 
-  void setClient(CppSideProxy proxy) {
+  void setClient(bindings.ProxyBase proxy) {
     assert(cppSide == null);
-    cppSide = proxy;
+    cppSideProxy = proxy;
+    cppSide = cppSideProxy.interface;
     cppSide.startTest();
   }
 
   void ping() {
     cppSide.pingResponse();
     _completer.complete(null);
-    cppSide.close();
+    cppSideProxy.impl.close();
   }
 
   void echo(int numIterations, EchoArgs arg) {
     if (arg.si64 > 0) {
       arg.si64 = BAD_VALUE;
     }
     if (arg.si32 > 0) {
       arg.si32 = BAD_VALUE;
     }
     if (arg.si16 > 0) {
@@ skipping 28 matching lines @@
 
       cppSide.echoResponse(createEchoArgsList([arg, specialArg]));
 
       dataPipe1.producer.handle.close();
       dataPipe2.producer.handle.close();
       messagePipe1.endpoints[1].handle.close();
       messagePipe2.endpoints[1].handle.close();
     }
     cppSide.testFinished();
     _completer.complete(null);
-    cppSide.close();
+    cppSideProxy.impl.close();
   }
 
   Future<bool> get future => _completer.future;
 }
 
 
 main(List args) {
   assert(args.length == 2);
   int mojoHandle = args[0];
   var rawHandle = new core.MojoHandle(mojoHandle);
   var endpoint = new core.MojoMessagePipeEndpoint(rawHandle);
   var dartSide = new DartSideImpl(endpoint);
-  dartSide.listen();
   dartSide.future.then((_) {
     print('Success');
   });
 }