merge to trunk all changes from 36817 until 37378 under the packages: polymer,

pkg/template_binding/test/utils.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.
 
 library template_binding.test.utils;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:observe/observe.dart';
 
@@ skipping 87 matching lines @@
   return root;
 }
 
 /**
  * Sanitizer which does nothing.
  */
 class NullTreeSanitizer implements NodeTreeSanitizer {
   void sanitizeTree(Node node) {}
 }
 
-unbindAll(node) {
-  nodeBind(node).unbindAll();
+clearAllTemplates(node) {
+  if (isSemanticTemplate(node)) {
+    templateBind(node).clear();
+  }
   for (var child = node.firstChild; child != null; child = child.nextNode) {
-    unbindAll(child);
+    clearAllTemplates(child);
   }
 }