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

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

Index: pkg/compiler/lib/src/js_backend/codegen/glue.dart
diff --git a/pkg/compiler/lib/src/js_backend/codegen/glue.dart b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
index dbe95dabb40a33f84295d1e24dd86abf2abf1d24..11f649427b9d29bc694db7d30f9a24ea53cb7ad0 100644
--- a/pkg/compiler/lib/src/js_backend/codegen/glue.dart
+++ b/pkg/compiler/lib/src/js_backend/codegen/glue.dart
@@ -73,6 +73,10 @@ class Glue {
     return _backend.isInterceptedSelector(selector);
   }
 
+  bool isInterceptedMethod(Element element) {
+    return _backend.isInterceptedMethod(element);
+  }
+
   Set<ClassElement> getInterceptedClassesOn(Selector selector) {
     return _backend.getInterceptedClassesOn(selector.name);
   }
@@ -81,14 +85,18 @@ class Glue {
     _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,