Dartifying members.

tests/html/htmlelement_test.dart

 library ElementTest;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_config.dart';
 import 'dart:html';
 
 main() {
   useHtmlConfiguration();
   test('InnerHTML', () {
     Element element = new Element.tag('div');
     element.id = 'test';
-    element.innerHTML = 'Hello World';
+    element.innerHtml = 'Hello World';
     document.body.nodes.add(element);
 
     element = document.query('#test');
-    expect(element.innerHTML, 'Hello World');
+    expect(element.innerHtml, 'Hello World');
     element.remove();
   });
   test('HTMLTable', () {
     Element table = new Element.tag('table');
 
     TableRowElement row = new Element.tag('tr');
     table.nodes.add(row);
 
     row.nodes.add(new Element.tag('td'));
     row.nodes.add(new Element.tag('td'));
@@ skipping 35 matching lines @@
 
     final keys = <String> [];
     final values = <String> [];
     div.dataAttributes.forEach(void f(String key, String value) {
         keys.add(key);
         values.add(value);
     });
     expect(keys, unorderedEquals(['foo', 'bar']));
     expect(values, unorderedEquals(['foo-value', 'bar-value']));
 
-    expect(new List<String>.from(div.dataAttributes.keys), 
+    expect(new List<String>.from(div.dataAttributes.keys),
         unorderedEquals(['foo', 'bar']));
     expect(new List<String>.from(div.dataAttributes.values),
         unorderedEquals(['foo-value', 'bar-value']));
 
     expect(div.dataAttributes.length, 2);
     expect(div.dataAttributes.isEmpty, isFalse);
 
     expect(div.dataAttributes.remove('qux'), isNull);
     expect(div.dataAttributes.length, 2);
     expect(div.dataAttributes.isEmpty, isFalse);
 
     expect(div.dataAttributes.remove('foo'), 'foo-value');
     expect(div.dataAttributes.length, 1);
     expect(div.dataAttributes.isEmpty, isFalse);
 
     div.dataAttributes.clear();
     expect(div.dataAttributes.length, 0);
     expect(div.dataAttributes.isEmpty, isTrue);
   });
 }