Support loading binary data in dart2js

tests/compiler/dart2js/serialization/equivalence_test.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.
 
 library dart2js.serialization_test;
 
 import 'dart:io';
 import '../memory_compiler.dart';
 import 'package:async_helper/async_helper.dart';
 import 'package:compiler/src/commandline_options.dart';
@@ skipping 372 matching lines @@
       Element element1, Element element2, Element import1, Element import2) {
     List<ImportElement> imports1 = element1.library.getImportsFor(import1);
     List<ImportElement> imports2 = element2.library.getImportsFor(import2);
     checkElementListIdentities(element1, element2,
         'importsFor($import1/$import2)', imports1, imports2);
   }
 
   @override
   void visitCompilationUnitElement(
       CompilationUnitElement element1, CompilationUnitElement element2) {
-    check(element1, element2, 'name', element1.name, element2.name);
     checkElementIdentities(
         element1, element2, 'library', element1.library, element2.library);
     check(element1, element2, 'script.resourceUri', element1.script.resourceUri,
         element2.script.resourceUri);
     List<Element> members1 = <Element>[];
     List<Element> members2 = <Element>[];
     element1.forEachLocalMember((Element member) {
       members1.add(member);
     });
     element2.forEachLocalMember((Element member) {
@@ skipping 432 matching lines @@
     });
   }
 
   @override
   void visitErroneousElement(
       ErroneousElement element1, ErroneousElement element2) {
     check(element1, element2, 'messageKind', element1.messageKind,
         element2.messageKind);
   }
 }