Fixing a number of Dart2JS compiler warnings.

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

 // Copyright (c) 2012, 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 $LIBRARYNAME;
 
 class _ChildrenElementList extends ListBase<Element> {
   // Raw Element.
   final Element _element;
   final HtmlCollection _childElements;
@@ skipping 575 matching lines @@
    *     document.body.insertAdjacentHtml('afterBegin', html);
    *     var createdElement = document.body.children[0];
    *     print(createdElement.classes[0]); // Prints 'something'
    *
    * See also:
    *
    * * [insertAdjacentText]
    * * [insertAdjacentElement]
    */
   void insertAdjacentHtml(String where, String html) {
-    if (JS('bool', '!!#.insertAdjacentHtml', this)) {
+    if (JS('bool', '!!#.insertAdjacentHTML', this)) {
       _insertAdjacentHtml(where, html);
     } else {
       _insertAdjacentNode(where, new DocumentFragment.html(html));
     }
   }
 
   @JSName('insertAdjacentHTML')
-  void _insertAdjacentHTML(String where, String text) native;
+  void _insertAdjacentHtml(String where, String text) native;
 
   /**
    * Inserts [element] into the DOM at the specified location.
    *
    * To see the possible values for [where], read the doc for
    * [insertAdjacentHtml].
    *
    * See also:
    *
    * * [insertAdjacentHtml]
@@ skipping 449 matching lines @@
   const ScrollAlignment._internal(this._value);
   toString() => 'ScrollAlignment.$_value';
 
   /// Attempt to align the element to the top of the scrollable area.
   static const TOP = const ScrollAlignment._internal('TOP');
   /// Attempt to center the element in the scrollable area.
   static const CENTER = const ScrollAlignment._internal('CENTER');
   /// Attempt to align the element to the bottom of the scrollable area.
   static const BOTTOM = const ScrollAlignment._internal('BOTTOM');
 }