Add ConstructorBodyEntity

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

 // Copyright (c) 2011, 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.namer;
 
 /**
  * Assigns JavaScript identifiers to Dart variables, class-names and members.
  */
 class MinifyNamer extends Namer
@@ skipping 332 matching lines @@
       } else if (cls.isMixinApplication) {
         return new _ConstructorBodyNamingScope.forMixinApplication(
             cls, new _ConstructorBodyNamingScope(cls.superclass, registry));
       } else {
         return new _ConstructorBodyNamingScope.forClass(
             cls, new _ConstructorBodyNamingScope(cls.superclass, registry));
       }
     });
   }
 
-  String constructorBodyKeyFor(ConstructorBodyElement body) {
+  String constructorBodyKeyFor(ConstructorBodyEntity body) {
     int position = _constructors.indexOf(body.constructor);
     assert(position >= 0, failedAt(body, "constructor body missing"));
     return "@constructorBody@${_startIndex + position}";
   }
 }
 
 abstract class _MinifyConstructorBodyNamer implements Namer {
   Map<ClassElement, _ConstructorBodyNamingScope> _constructorBodyScopes =
       new Map<ClassElement, _ConstructorBodyNamingScope>();
 
   @override
-  jsAst.Name constructorBodyName(FunctionElement method) {
+  jsAst.Name constructorBodyName(ConstructorBodyEntity method) {
     _ConstructorBodyNamingScope scope = new _ConstructorBodyNamingScope(
         method.enclosingClass, _constructorBodyScopes);
     String key = scope.constructorBodyKeyFor(method);
     return _disambiguateMemberByKey(
         key, () => _proposeNameForConstructorBody(method));
   }
 }
 
 abstract class _MinifiedOneShotInterceptorNamer implements Namer {
   /// Property name used for the one-shot interceptor method for the given
   /// [selector] and return-type specialization.
   @override
   jsAst.Name nameForGetOneShotInterceptor(
       Selector selector, Iterable<ClassEntity> classes) {
     String root = selector.isOperator
         ? operatorNameToIdentifier(selector.name)
         : privateName(selector.memberName);
     String prefix =
         selector.isGetter ? r"$get" : selector.isSetter ? r"$set" : "";
     String callSuffix = selector.isCall
         ? callSuffixForStructure(selector.callStructure).join()
         : "";
     String suffix = suffixForGetInterceptor(classes);
     String fullName = "\$intercepted$prefix\$$root$callSuffix\$$suffix";
     return _disambiguateInternalGlobal(fullName);
   }
 }