update polymer, nodebind, and templatebinding

pkg/polymer/lib/src/build/script_compactor.dart

 // Copyright (c) 2013, 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.
 
 /// Transfomer that combines multiple dart script tags into a single one.
 library polymer.src.build.script_compactor;
 
 import 'dart:async';
 import 'dart:convert';
 
@@ skipping 683 matching lines @@
   for (var e in lib.exports) {
     var exported = e.exportedLibrary.units.expand((u) => u.types).toList();
     _filter(exported, e.combinators);
     result.addAll(exported);
   }
   return result;
 }
 
 /// Retrieves all top-level methods that are visible if you were to import
 /// [lib]. This includes exported methods from other libraries too.
-List<ClassElement> _visibleTopLevelMethodsOf(LibraryElement lib) {
+List<FunctionElement> _visibleTopLevelMethodsOf(LibraryElement lib) {
   var result = [];
   result.addAll(lib.units.expand((u) => u.functions));
   for (var e in lib.exports) {
     var exported = e.exportedLibrary.units
         .expand((u) => u.functions).toList();
     _filter(exported, e.combinators);
     result.addAll(exported);
   }
   return result;
 }
 
 /// Filters [elements] that come from an export, according to its show/hide
 /// combinators. This modifies [elements] in place.
 void _filter(List<analyzer.Element> elements,
     List<NamespaceCombinator> combinators) {
   for (var c in combinators) {
     if (c is ShowElementCombinator) {
       var show = c.shownNames.toSet();
       elements.retainWhere((e) => show.contains(e.displayName));
     } else if (c is HideElementCombinator) {
       var hide = c.hiddenNames.toSet();
       elements.removeWhere((e) => hide.contains(e.displayName));
     }
   }
 }