Revert "dart2js OldEmitter: inline FinishClasses."

pkg/compiler/lib/src/js_backend/native_emitter.dart

 // Copyright (c) 2012, 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 js_backend;
 
 class NativeEmitter {
 
   final Map<Element, ClassBuilder> cachedBuilders;
 
@@ skipping 223 matching lines @@
 
     // Emit the native class interceptors that were actually used.
     for (ClassElement classElement in classes) {
       if (!classElement.isNative) continue;
       if (neededClasses.contains(classElement)) {
         // Define interceptor class for [classElement].
         emitterTask.oldEmitter.classEmitter.emitClassBuilderWithReflectionData(
             backend.namer.getNameOfClass(classElement),
             classElement, builders[classElement],
             emitterTask.oldEmitter.getElementDescriptor(classElement));
-        emitterTask.oldEmitter.needsClassSupport = true;
+        emitterTask.oldEmitter.needsDefineClass = true;
       }
     }
   }
 
   /**
    * Computes the native classes that are extended (subclassed) by non-native
    * classes and the set non-mative classes that extend them.  (A List is used
    * instead of a Set for out stability).
    */
   Map<ClassElement, List<ClassElement>> computeExtensionPoints(
@@ skipping 218 matching lines @@
       if (emitterTask.compiler.enableMinification) targetBuffer.write(';');
       targetBuffer.write(jsAst.prettyPrint(
           new jsAst.ExpressionStatement(init), compiler));
       targetBuffer.write('\n');
     }
 
     targetBuffer.write(nativeBuffer);
     targetBuffer.write('\n');
   }
 }