dart2js OldEmitter: name anonymous function so it does not need to be copied in deferred parts.

pkg/compiler/lib/src/js_emitter/old_emitter/reflection_data_parser.dart

 // Copyright (c) 2013, 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.
 
 part of dart2js.js_emitter;
 
 // TODO(ahe): Share these with js_helper.dart.
 const FUNCTION_INDEX = 0;
 const NAME_INDEX = 1;
 const CALL_NAME_INDEX = 2;
 const REQUIRED_PARAMETER_INDEX = 3;
 const OPTIONAL_PARAMETER_INDEX = 4;
 const DEFAULT_ARGUMENTS_INDEX = 5;
 
 const bool VALIDATE_DATA = false;
 
+// TODO(zarah): Rename this when renaming this file.
+String get parseReflectionDataName => 'parseReflectionData';
+
 jsAst.Expression getReflectionDataParser(OldEmitter oldEmitter,
                                          JavaScriptBackend backend) {
   Namer namer = backend.namer;
   Compiler compiler = backend.compiler;
   CodeEmitterTask emitter = backend.emitter;
 
   String metadataField = '"${namer.metadataField}"';
   String reflectableField = namer.reflectableField;
   String reflectionInfoField = namer.reflectionInfoField;
   String reflectionNameField = namer.reflectionNameField;
@@ skipping 385 matching lines @@
        'notInCspMode': !compiler.useContentSecurityPolicy});
 
   List<jsAst.Statement> incrementalSupport = <jsAst.Statement>[];
   if (compiler.hasIncrementalSupport) {
     incrementalSupport.add(
         js.statement(
             r'self.$dart_unsafe_eval.addStubs = addStubs;'));
   }
 
   return js('''
-(function (reflectionData) {
+function $parseReflectionDataName(reflectionData) {
   "use strict";
   #header;
   if (#needsClassSupport) {
     #defineClass;
     #inheritFrom;
     #finishClasses;
     #processClassData;
   }
   #processStatics;
   #addStubs;
   #tearOffCode;
   #incrementalSupport;
   #init;
-})''', {
+}''', {
       'header': header,
       'defineClass': oldEmitter.defineClassFunction,
       'inheritFrom': oldEmitter.buildInheritFrom(),
       'processClassData': processClassData,
       'processStatics': processStatics,
       'incrementalSupport': incrementalSupport,
       'addStubs': addStubs,
       'tearOffCode': tearOffCode,
       'init': init,
       'finishClasses': finishClasses,
@@ skipping 112 matching lines @@
 (function() {
   var result = $array[$index];
   if ($check) {
     throw new Error(
         name + ": expected value of type \'$type\' at index " + ($index) +
         " but got " + (typeof result));
   }
   return result;
 })()''';
 }