DDC fixes on DDC

lib/src/js/template.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.
 
 part of js_ast;
 
 class TemplateManager {
   Map<String, Template> expressionTemplates = new Map<String, Template>();
   Map<String, Template> statementTemplates = new Map<String, Template>();
 
@@ skipping 107 matching lines @@
     }
     return instantiator(arguments);
   }
 }
 
 /**
  * An Instantiator is a Function that generates a JS AST tree or List of
  * trees. [arguments] is a List for positional templates, or Map for
  * named templates.
  */
-typedef Node Instantiator(var arguments);
+typedef Instantiator(var arguments);
 
 
 /**
  * InstantiatorGeneratorVisitor compiles a template.  This class compiles a tree
  * containing [InterpolatedNode]s into a function that will create a copy of the
  * tree with the interpolated nodes substituted with provided values.
  */
 class InstantiatorGeneratorVisitor implements NodeVisitor<Instantiator> {
 
   final bool forceCopy;
@@ skipping 720 matching lines @@
     if (count != before) containsInterpolatedNode.add(node);
     return null;
   }
 
   visitInterpolatedNode(InterpolatedNode node) {
     containsInterpolatedNode.add(node);
     if (node.isNamed) holeNames.add(node.nameOrPosition);
     ++count;
   }
 }