Hopefully the last bit of restructuring between closture classes and loop boxing, etc.

pkg/compiler/lib/src/kernel/closure.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.
 
 import 'package:kernel/ast.dart' as ir;
 
 import '../closure.dart';
 import '../common/tasks.dart';
 import '../elements/entities.dart';
 import '../world.dart';
@@ skipping 75 matching lines @@
   /// combined here currently to provide a consistent interface to the rest of
   /// the compiler until we are ready to separate these phases.
   @override
   void convertClosures(Iterable<MemberEntity> processedEntities,
       ClosedWorldRefiner closedWorldRefiner) {
     // TODO(efortuna): implement.
   }
 
   /// TODO(johnniwinther,efortuna): Implement this.
   @override
-  ClosureAnalysisInfo getClosureAnalysisInfo(ir.Node node) {
-    return const ClosureAnalysisInfo();
+  ClosureBase getClosureBase(ir.Node node) {
+    return const ClosureBase();
   }
 
   @override
   ScopeInfo getScopeInfo(Entity entity) {
     // TODO(efortuna): Specialize this function from the one below.
     return getClosureRepresentationInfo(entity);
   }
 
   /// TODO(johnniwinther,efortuna): Implement this.
   @override
-  LoopClosureRepresentationInfo getClosureRepresentationInfoForLoop(
-      ir.Node loopNode) {
-    return const LoopClosureRepresentationInfo();
+  ClosureBase getClosureRepresentationInfoForLoop(ir.Node loopNode) {
+    return const ClosureBase();
   }
 
   @override
   ClosureRepresentationInfo getClosureRepresentationInfo(Entity entity) {
     return _infoMap.putIfAbsent(entity, () {
       if (entity is MemberEntity) {
         ir.Member node = _elementMap.getMemberNode(entity);
         ThisLocal thisLocal;
         if (entity.isInstanceMember) {
           thisLocal = new ThisLocal(entity);
@@ skipping 25 matching lines @@
   bool variableIsUsedInTryOrSync(Local variable) =>
       _localsUsedInTryOrSync.contains(variable);
 
   String toString() {
     StringBuffer sb = new StringBuffer();
     sb.write('this=$thisLocal,');
     sb.write('localsUsedInTryOrSync={${_localsUsedInTryOrSync.join(', ')}}');
     return sb.toString();
   }
 }