First rev of Safe DOM

tools/dom/templates/html/impl/impl_HTMLTemplateElement.darttemplate

 // 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.
 
 // WARNING: Do not edit - generated code.
 
 part of $LIBRARYNAME;
 
 /**
  * Model-Driven Views (MDV)'s native features enables a wide-range of use cases,
@@ skipping 271 matching lines @@
 tr[template],
 td[template],
 caption[template],
 colgroup[template],
 col[template],
 option[template] {
   display: none;
 }''';
     document.head.append(style);
   }
+
+  /**
+   * An override to place the contents into content rather than as child nodes.
+   *
+   * See also:
+   *
+   * * <https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/templates/index.html#innerhtml-on-templates>
+   */
+  void setInnerHtml(String html,
+    {NodeValidator validator, NodeTreeSanitizer treeSanitizer}) {
+    text = null;
+    var fragment = createFragment(
+        html, validator: validator, treeSanitizer: treeSanitizer);
+
+    content.append(fragment);
+  }
 }