Removing more dom_ methods.

samples/third_party/dromaeo/tests/dom-attr-html.dart

Index: samples/third_party/dromaeo/tests/dom-attr-html.dart
diff --git a/samples/third_party/dromaeo/tests/dom-attr-html.dart b/samples/third_party/dromaeo/tests/dom-attr-html.dart
index dd1c075aad0d6b4926692002c59caec1b05de719..6a67840b81ebfd06c373d6077621e970ee5f1747 100644
--- a/samples/third_party/dromaeo/tests/dom-attr-html.dart
+++ b/samples/third_party/dromaeo/tests/dom-attr-html.dart
@@ -18,7 +18,7 @@ void main() {
   new Suite(window, 'dom-attr')
     .test('getAttribute', () {
       for (int i = 0; i < num; i++)
-        ret = elem.$dom_getAttribute('id');

[blois, 2013/08/27 16:08:10]

This introduces a significant perf cost and will impact our tests. We should
avoid impacting our benchmarks.

+        ret = elem.attributes['id'];
     })
     .test('element.property', () {
       for (int i = 0; i < num * 2; i++)
@@ -26,7 +26,7 @@ void main() {
     })
     .test('setAttribute', () {
         for (int i = 0; i < num; i++)
-        a.$dom_setAttribute('id', 'foo');
+          a.attributes['id'] = 'foo';
     })
     .test('element.property = value', () {
       for (int i = 0; i < num; i++)