Add ConstructorBodyEntity

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 '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
@@ skipping 87 matching lines @@
         _compiler,
         _elementMap,
         new KernelToTypeInferenceMapImpl(closedWorld),
         localsMap,
         closedWorld,
         _compiler.codegenWorldBuilder,
         work.registry,
         _compiler.backendStrategy.closureDataLookup,
         // TODO(redemption): Support these:
         const SourceInformationBuilder(),
-        null, // Function node used as capture scope id.
-        targetIsConstructorBody: false);
+        null); // Function node used as capture scope id.
     return builder.build();
   }
 }
 
 class KernelToTypeInferenceMapImpl implements KernelToTypeInferenceMap {
   final ClosedWorld _closedWorld;
 
   KernelToTypeInferenceMapImpl(this._closedWorld);
 
   @override
@@ skipping 116 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));
       });
   }
 }