Rename ClosureClassMaps to ClosureDataLookup

pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart

 // Copyright (c) 2017, 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.kernel.backend_strategy;
 
 import 'package:kernel/ast.dart' as ir;
 
 import '../backend_strategy.dart';
 import '../closure.dart';
@@ skipping 134 matching lines @@
         work.element.enclosingClass,
         _elementMap.getMemberNode(work.element),
         _compiler,
         _elementMap,
         new KernelToTypeInferenceMapImpl(closedWorld),
         new KernelToLocalsMapImpl(work.element),
         closedWorld,
         _compiler.codegenWorldBuilder,
         work.registry,
         // TODO(johnniwinther): Support these:
-        const KernelClosureClassMaps(),
+        const KernelClosureDataLookup(),
         const SourceInformationBuilder(),
         null, // Function node used as capture scope id.
         targetIsConstructorBody: false);
     return builder.build();
   }
 }
 
 class KernelToTypeInferenceMapImpl implements KernelToTypeInferenceMap {
   final ClosedWorld _closedWorld;
 
@@ skipping 107 matching lines @@
 
   @override
   Local getLocal(ir.VariableDeclaration node) {
     return _map.putIfAbsent(node, () {
       return new KLocal(node.name, currentMember);
     });
   }
 
   @override
   LoopClosureRepresentationInfo getClosureRepresentationInfoForLoop(
-      ClosureClassMaps closureClassMaps, ir.TreeNode node) {
+      ClosureDataLookup closureLookup, ir.TreeNode node) {
     return const LoopClosureRepresentationInfo();
   }
 }
 
 class KLocal implements Local {
   final String name;
   final MemberEntity memberContext;
 
   KLocal(this.name, this.memberContext);
 
   @override
   Entity get executableContext => memberContext;
 
   String toString() {
     StringBuffer sb = new StringBuffer();
     sb.write('local(');
     if (memberContext.enclosingClass != null) {
       sb.write(memberContext.enclosingClass.name);
       sb.write('.');
     }
     sb.write(memberContext.name);
     sb.write('#');
     sb.write(name);
     sb.write(')');
     return sb.toString();
   }
 }
 
 /// TODO(johnniwinther,efortuna): Implement this.
-class KernelClosureClassMaps implements ClosureClassMaps<ir.Node> {
-  const KernelClosureClassMaps();
+class KernelClosureDataLookup implements ClosureDataLookup<ir.Node> {
+  const KernelClosureDataLookup();
 
   @override
   ClosureAnalysisInfo getClosureAnalysisInfo(ir.Node node) {
     return const ClosureAnalysisInfo();
   }
 
   @override
   LoopClosureRepresentationInfo getClosureRepresentationInfoForLoop(
       ir.Node loopNode) {
     return const LoopClosureRepresentationInfo();
@@ skipping 52 matching lines @@
   Iterable<ClassEntity> sortClasses(Iterable<ClassEntity> classes) {
     return classes.toList()
       ..sort((ClassEntity a, ClassEntity b) {
         int r = _compareLibraries(a.library, b.library);
         if (r != 0) return r;
         return _compareNodes(
             a, elementMap.getClassNode(a), b, elementMap.getClassNode(b));
       });
   }
 }