dart2dart: Method and constructor calls in new backend.

sdk/lib/_internal/compiler/implementation/dart_backend/dart_printer.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.
 
 
 // OPEN DESIGN QUESTIONS:
 
 // Should the AST enforce that variable definitions are hoisted at the top?
 // This would simplify the AST for [For] and [ForIn] and also simplify block
 // flattening.
@@ skipping 435 matching lines @@
 }
 
 /// Expression of form `new T(..)`, `new T.f(..)`, `const T(..)`,
 /// or `const T.f(..)`.
 class CallNew extends Expression {
   final bool isConst;
   final TypeAnnotation type;
   final String constructorName;
   final List<Argument> arguments;
 
+  elements.FunctionElement constructor;
+  types.DartType dartType;
+
   CallNew(this.type,
           this.arguments,
          { this.constructorName,
            this.isConst: false });
 }
 
 /// Expression of form `T.f(..)`.
 class CallStatic extends Expression {
   final String className;
   final String methodName;
@@ skipping 1028 matching lines @@
   final StringChunk previous;
   final tree.StringQuoting quoting;
   num cost;
 
   OpenStringChunk(this.previous, this.quoting, this.cost);
 
   StringChunk end(int endIndex) {
     return new StringChunk(previous, quoting, endIndex);
   }
 }