Share locals between members

pkg/compiler/lib/src/kernel/element_map_impl.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.element_map;
 
 import 'package:kernel/ast.dart' as ir;
 
 import '../closure.dart' show BoxLocal;
 import '../common.dart';
@@ skipping 2148 matching lines @@
   KernelClosureClass constructClosureClass(
       MemberEntity member,
       ir.FunctionNode node,
       JLibrary enclosingLibrary,
       KernelScopeInfo info,
       ir.Location location,
       KernelToLocalsMap localsMap,
       InterfaceType supertype) {
     String name = _computeClosureName(node);
     JClass classEntity =
-        new JClosureClass(localsMap, enclosingLibrary, _classEnvs.length, name);
+        new JClosureClass(enclosingLibrary, _classEnvs.length, name);
     _classList.add(classEntity);
     Map<String, MemberEntity> memberMap = <String, MemberEntity>{};
     _classEnvs.add(new ClosureClassEnv(memberMap));
 
     // Create a classData and set up the interfaces and subclass
     // relationships that _ensureSupertypes and _ensureThisAndRawType are doing
     var closureData = new ClassData(
         null,
         new ClosureClassDefinition(
             classEntity, computeSourceSpanFromTreeNode(node)));
@@ skipping 130 matching lines @@
   ///
   /// These names are not used in generated code, just as element name.
   String _getClosureVariableName(String name, int id) {
     return "_captured_${name}_$id";
   }
 
   String getDeferredUri(ir.LibraryDependency node) {
     throw new UnimplementedError('JsKernelToElementMap.getDeferredUri');
   }
 }