Implement constructor bodies and initializers in CPS->JS backend.

pkg/compiler/lib/src/js_backend/codegen/glue.dart

 // Copyright (c) 2014, 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 code_generator_dependencies;
 
 import '../js_backend.dart';
 import '../../dart2jslib.dart';
 import '../../js_emitter/js_emitter.dart';
 import '../../js/js.dart' as js;
@@ skipping 55 matching lines @@
   FunctionElement get getInterceptorMethod => _backend.getInterceptorMethod;
 
   void registerUseInterceptorInCodegen() {
     _backend.registerUseInterceptor(_compiler.enqueuer.codegen);
   }
 
   bool isInterceptedSelector(Selector selector) {
     return _backend.isInterceptedSelector(selector);
   }
 
+  bool isInterceptedMethod(Element element) {
+    return _backend.isInterceptedMethod(element);
+  }
+
   Set<ClassElement> getInterceptedClassesOn(Selector selector) {
     return _backend.getInterceptedClassesOn(selector.name);
   }
 
   void registerSpecializedGetInterceptor(Set<ClassElement> classes) {
     _backend.registerSpecializedGetInterceptor(classes);
   }
 
-  js.Expression closureClassConstructorAccess(ClosureClassElement element) {
-    return _backend.emitter.closureClassConstructorAccess(element);
+  js.Expression constructorAccess(ClassElement element) {
+    return _backend.emitter.constructorAccess(element);
   }
 
   String instanceFieldPropertyName(Element field) {
     return _namer.instanceFieldPropertyName(field);
   }
 
+  String instanceMethodName(FunctionElement element) {
+    return _namer.instanceMethodName(element);
+  }
+
   js.Expression prototypeAccess(ClassElement e,
                                 {bool hasBeenInstantiated: false}) {
     return _emitter.prototypeAccess(e,
         hasBeenInstantiated: hasBeenInstantiated);
   }
 
 }