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

pkg/compiler/lib/src/js_emitter/code_emitter_task.dart

Index: pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
diff --git a/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart b/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
index 2aa87485cf8ad377310f6639d51b37694c649371..e7d9421871a63207d3e3c74a549a485e998e51eb 100644
--- a/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
+++ b/pkg/compiler/lib/src/js_emitter/code_emitter_task.dart
@@ -120,10 +120,6 @@ class CodeEmitterTask extends CompilerTask {
     return emitter.typeAccess(e);
   }
 
-  jsAst.Expression closureClassConstructorAccess(ClosureClassElement e) {
-    return emitter.closureClassConstructorAccess(e);
-  }
-
   void registerReadTypeVariable(TypeVariableElement element) {
     readTypeVariables.add(element);
   }
@@ -460,9 +456,6 @@ abstract class Emitter {
   /// Returns the JS expression representing the type [e].
   jsAst.Expression typeAccess(Element e);
 
-  /// Returns the JS constructor for the given closure class [e].
-  jsAst.Expression closureClassConstructorAccess(ClosureClassElement e);
-
   /// Returns the JS expression representing a function that returns 'null'
   jsAst.Expression generateFunctionThatReturnsNull();