Cleaning up some DOM APIs which were marked as deprecated because they were moved or renamed.

tools/dom/src/AttributeMap.dart

Index: tools/dom/src/AttributeMap.dart
diff --git a/tools/dom/src/AttributeMap.dart b/tools/dom/src/AttributeMap.dart
index b0cb0cc7fe6490a70f5a36d5650be6f63bf2d671..76a90648c1802ebf90e67999f5aaa4c3eff2b072 100644
--- a/tools/dom/src/AttributeMap.dart
+++ b/tools/dom/src/AttributeMap.dart
@@ -44,7 +44,7 @@ abstract class _AttributeMap implements Map<String, String> {
     var keys = new List<String>();
     for (int i = 0, len = attributes.length; i < len; i++) {
       if (_matches(attributes[i])) {
-        keys.add(attributes[i].localName);
+        keys.add(attributes[i].name);
       }
     }
     return keys;