Dart: Removes need to call listen().

mojo/dart/test/validation_test.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 'dart:convert';
 import 'dart:isolate';
 import 'dart:typed_data';
 import 'mojo:bindings';
 import 'mojo:builtin' as builtin;
 import 'mojo:core';
 
 import 'package:mojo/dart/testing/validation_test_input_parser.dart' as parser;
 import 'package:mojo/public/interfaces/bindings/tests/validation_test_interfaces.mojom.dart';
 
 class ConformanceTestInterfaceImpl implements ConformanceTestInterface {
   ConformanceTestInterfaceStub _stub;
   Completer _completer;
 
-  ConformanceTestInterfaceImpl(this._completer,
-      MojoMessagePipeEndpoint endpoint) {
-    _stub = new ConformanceTestInterfaceStub.fromEndpoint(endpoint, impl: this);
+  ConformanceTestInterfaceImpl(
+      this._completer, MojoMessagePipeEndpoint endpoint) {
+    _stub = new ConformanceTestInterfaceStub.fromEndpoint(endpoint, this);
   }
 
   void _complete() => _completer.complete(null);
 
   method0(double param0) => _complete();
   method1(StructA param0) => _complete();
   method2(StructB param0, StructA param1) => _complete();
   method3(List<bool> param0) => _complete();
   method4(StructC param0, List<int> param1) => _complete();
   method5(StructE param0, MojoDataPipeProducer param1) => _complete();
@@ skipping 12 matching lines @@
   return parser.parse(input);
 }
 
 String expectedResult(String test) {
   List<int> data = builtin.readSync("${test}.expected");
   return new Utf8Decoder().convert(data).trim();
 }
 
 runTest(String name, parser.ValidationParseResult test, String expected) {
   var handles = new List.generate(
-      test.numHandles,
-      (_) => new MojoSharedBuffer.create(10).handle);
+      test.numHandles, (_) => new MojoSharedBuffer.create(10).handle);
   var pipe = new MojoMessagePipe();
   var completer = new Completer();
   var conformanceImpl;
 
   runZoned(() {
     conformanceImpl =
         new ConformanceTestInterfaceImpl(completer, pipe.endpoints[0]);
   }, onError: (e, stackTrace) {
     assert(e is MojoCodecError);
     // TODO(zra): Make the error messages conform?
@@ skipping 10 matching lines @@
   completer.future.then((_) {
     assert(expected == "PASS");
     conformanceImpl.close();
     pipe.endpoints[0].handle.close();
     handles.forEach((h) => h.close());
   });
 }
 
 // TODO(zra, yzshen): Some struct versioning tests (with "mthd11" in their
 // names) are skipped.
-Iterable<String> getTestFiles(String path, String prefix) =>
-    builtin.enumerateFiles(
-        path).where(
-            (s) =>
-                s.startsWith(prefix) &&
-                    s.endsWith(".data") &&
-                    !s.contains("mthd11")).map((s) => s.replaceFirst('.data', ''));
+Iterable<String> getTestFiles(String path, String prefix) => builtin
+    .enumerateFiles(path)
+    .where((s) =>
+        s.startsWith(prefix) && s.endsWith(".data") && !s.contains("mthd11"))
+    .map((s) => s.replaceFirst('.data', ''));
 
 main(List args) {
   int handle = args[0];
   String path = args[1];
 
   // First test the parser.
   parser.parserTests();
 
   // Then run the conformance tests.
   getTestFiles(path, "$path/conformance_").forEach((test) {
     runTest(test, readAndParseTest(test), expectedResult(test));
   });
   // TODO(zra): Add integration tests when they no longer rely on Client=.
 }