Use entities in class_stub_generator.

pkg/compiler/lib/src/js_emitter/full_emitter/interceptor_emitter.dart

 // Copyright (c) 2013, 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 dart2js.js_emitter.full_emitter;
 
 class InterceptorEmitter extends CodeEmitterHelper {
   final ClosedWorld closedWorld;
   final Set<jsAst.Name> interceptorInvocationNames = new Set<jsAst.Name>();
 
   InterceptorEmitter(this.closedWorld);
 
-  void recordMangledNameOfMemberMethod(
-      FunctionElement member, jsAst.Name name) {
+  void recordMangledNameOfMemberMethod(MethodElement member, jsAst.Name name) {
     if (backend.isInterceptedMethod(member)) {
       interceptorInvocationNames.add(name);
     }
   }
 
   jsAst.Expression buildGetInterceptorMethod(
       jsAst.Name key, Set<ClassElement> classes) {
     InterceptorStubGenerator stubGenerator =
         new InterceptorStubGenerator(compiler, namer, backend, closedWorld);
     jsAst.Expression function =
@@ skipping 72 matching lines @@
    */
   jsAst.Statement buildTypeToInterceptorMap(Program program) {
     jsAst.Expression array = program.typeToInterceptorMap;
     if (array == null) return js.comment("Empty type-to-interceptor map.");
 
     jsAst.Expression typeToInterceptorMap = emitter
         .generateEmbeddedGlobalAccess(embeddedNames.TYPE_TO_INTERCEPTOR_MAP);
     return js.statement('# = #', [typeToInterceptorMap, array]);
   }
 }