Fix build break.

pkg/dev_compiler/web/web_command.dart

 // Copyright (c) 2016, 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.
 @JS()
 library dev_compiler.web.web_command;
 
 import 'dart:async';
 import 'dart:html' show HttpRequest;
 import 'dart:convert' show BASE64;
 
@@ skipping 111 matching lines @@
       // Create a new virtual File that contains the given Dart source.
       resourceProvider.newFile("/$fileName", sourceCode);
 
       var unit = new BuildUnit(
           libraryName, "", ["file:///$fileName"], _moduleForLibrary);
 
       JSModuleFile module = compiler.compile(unit, compilerOptions);
 
       var moduleCode = module.isValid
           ? module
-              .getCode(ModuleFormat.legacy, unit.name, unit.name + '.map')
+              .getCode(ModuleFormat.legacy, false, unit.name, unit.name + '.map')

[Jennifer Messerly, 2016/09/14 20:07:03]

long line, maybe run format?

               .code
           : '';
 
       return new CompileResult(
           code: moduleCode, isValid: module.isValid, errors: module.errors);
     };
 
     return allowInterop(compileFn);
   }
 }
 
 // Given path, determine corresponding dart library.
 String _moduleForLibrary(source) {
   if (source is InSummarySource) {
     return source.summaryPath.substring(1).replaceAll('.api.ds', '');
   }
   return source.toString().substring(1).replaceAll('.dart', '');
 }
 
 /// Thrown when the input source code has errors.
 class CompileErrorException implements Exception {
   toString() => '\nPlease fix all errors before compiling (warnings are okay).';
 }