Reapply "Remove Object.dynamic."

utils/template/htmltree.dart

 // Copyright (c) 2011, 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.
 // Generated by scripts/tree_gen.py.
 
 /////////////////////////////////////////////////////////////////////////
 // CSS specific types:
 /////////////////////////////////////////////////////////////////////////
 
 class Identifier extends ASTNode {
@@ skipping 343 matching lines @@
     if (node.getters != null) {
       output.depth++;
       output.writeNodeList('---GETTERS---', node.getters);
       output.depth--;
     }
   }
 
   void visitTemplateDocument(TemplateDocument node) {
     output.heading('Content', node.span);
     output.depth++;
-    // TODO(terry): Ugly use dynamic[0] instead children[0] to surpress warning.
+    // TODO(terry): Ugly use of 'as Dynamic' instead of children[0] to
+    //              surpress warning.
     assert(node.children.length == 1 &&
-        node.children.dynamic[0].tagTokenId == -1);
+        (node.children as Dynamic)[0].tagTokenId == -1);
     output.writeNodeList("document", node.children);
     output.depth--;
   }
 
   void visitTemplateElement(TemplateElement node) {
     output.heading('Element', node.span);
     output.depth++;
     output.writeValue('tag', node.tagName);
     if (node.attributes != null && (node.attributes.length > 0)) {
       output.writeNodeList("attributes", node.attributes);
@@ skipping 38 matching lines @@
     output.writeValue('params', node.params);
   }
 
   void visitTemplateGetter(TemplateGetter node) {
     output.heading('template getter', node.span);
     output.writeValue('getter Signature', node.getterSignatureAsString());
     visitTemplateDocument(node.docFrag);
   }
 }