Revert "Handle named mixin application in emitter"

pkg/compiler/lib/src/js_emitter/program_builder/program_builder.dart

 // Copyright (c) 2014, 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.js_emitter.program_builder;
 
 import 'dart:io';
 import 'dart:convert' show JSON;
 
 import '../../closure.dart' show ClosureTask, ClosureFieldElement;
@@ skipping 725 matching lines @@
 
     if (isClosureBaseClass) {
       // We add a special getter to allow for tearing off a closure from itself.
       js.Name name = _namer.getterForMember(Names.call);
       js.Fun function = js.js('function() { return this; }');
       callStubs.add(_buildStubMethod(name, function));
     }
 
     // MixinApplications run through the members of their mixin. Here, we are
     // only interested in direct members.
-    if (!onlyForRti && !_elementEnvironment.isMixinApplication(cls)) {
+    if (!onlyForRti && !_elementEnvironment.isUnnamedMixinApplication(cls)) {
       _elementEnvironment.forEachClassMember(cls, visitMember);
       if (cls is ClassElement) {
         // TODO(johnniwinther): Support constructor bodies for entities.
         cls.forEachConstructorBody((ConstructorBodyElement constructorBody) =>
             visitMember(cls, constructorBody));
       }
     }
     bool isInterceptedClass = _interceptorData.isInterceptedClass(cls);
     List<Field> instanceFields = onlyForRti
         ? const <Field>[]
@@ skipping 38 matching lines @@
 
     js.Name name = _namer.className(cls);
     String holderName = _namer.globalObjectForClass(cls);
     // TODO(floitsch): we shouldn't update the registry in the middle of
     // building a class.
     Holder holder = _registry.registerHolder(holderName);
     bool isInstantiated = !_nativeData.isJsInteropClass(cls) &&
         _worldBuilder.directlyInstantiatedClasses.contains(cls);
 
     Class result;
-    if (_elementEnvironment.isMixinApplication(cls) && !onlyForRti) {
+    if (_elementEnvironment.isUnnamedMixinApplication(cls) && !onlyForRti) {
       assert(!_nativeData.isNativeClass(cls));
       assert(methods.isEmpty);
       assert(!isClosureBaseClass);
 
       result = new MixinApplication(
           cls,
           name,
           holder,
           instanceFields,
           staticFieldsForReflection,
@@ skipping 364 matching lines @@
       Constant constant = new Constant(name, holder, constantValue);
       _constants[constantValue] = constant;
     }
   }
 
   Holder _registerStaticStateHolder() {
     return _registry.registerHolder(_namer.staticStateHolder,
         isStaticStateHolder: true);
   }
 }