format with dart_style 0.2.0

lib/src/runner/v8_runner.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// V8 runner support used by dartdevrun.
 library dev_compiler.src.runner.v8_utils;
 
 import 'dart:io';
 import 'dart:async';
 import 'package:path/path.dart';
@@ skipping 32 matching lines @@
         throw new UnsupportedError("Unknown v8-based binary: $bin");
     }
   }
 
   List<String> get _v8VersionArgs;
   List<String> _getLoadStatements(List<File> files);
 
   String get _v8Binary => _options.runnerOptions.v8Binary;
 
   Future<Process> start(List<File> files, String startStatement) =>
-      Process.start(_v8Binary,
+      Process.start(
+          _v8Binary,
           [
             "--harmony_arrow_functions",
             "--harmony_classes",
             "--harmony_computed_property_names",
             "--harmony_modules",
             "--harmony_object_literals",
             "--harmony_rest_parameters",
             "--harmony_spreadcalls",
-            "-e", _GLOBALS + _getLoadStatements(files).join() + startStatement
+            "-e",
+            _GLOBALS + _getLoadStatements(files).join() + startStatement
           ],
           workingDirectory: _options.codegenOptions.outputDir);
 
   /// Throws if the v8 version of this runner is not supported, or if the runner
   /// is not in the path.
   void _checkVersion() {
     ProcessResult result = Process.runSync(_v8Binary, _v8VersionArgs);
     if (result.exitCode != 0) {
       throw new StateError("Failed to run $_v8Binary: ${result.stderr}");
     }
@@ skipping 20 matching lines @@
 
 /// Runner for iojs (see https://iojs.org/download/next-nightly/) and node.
 class _NodeRunner extends V8Runner {
   _NodeRunner(options) : super._(options);
 
   @override
   get _v8VersionArgs => ['-p', 'process.versions.v8'];
 
   @override
   _getLoadStatements(List<File> files) => files.map((file) {
-    String alias = getRuntimeFileAlias(_options, file);
-    return (alias != null ? 'var $alias = ' : '') + 'require("${file.path}");';
-  });
+        String alias = getRuntimeFileAlias(_options, file);
+        return (alias != null ? 'var $alias = ' : '') +
+            'require("${file.path}");';
+      });
 }