MutationObserver

lib/dom/templates/html/frog/factoryprovider_MutationObserver.darttemplate

Index: lib/dom/templates/html/frog/factoryprovider_MutationObserver.darttemplate
diff --git a/lib/dom/templates/dom/dummy/factoryprovider.darttemplate b/lib/dom/templates/html/frog/factoryprovider_MutationObserver.darttemplate
similarity index 51%
copy from lib/dom/templates/dom/dummy/factoryprovider.darttemplate
copy to lib/dom/templates/html/frog/factoryprovider_MutationObserver.darttemplate
index 68fc08702ba52cba199fe40319ffa1fdf1549381..99a2206f80328ffe643039f4f3ec6bf14db0075a 100644
--- a/lib/dom/templates/dom/dummy/factoryprovider.darttemplate
+++ b/lib/dom/templates/html/frog/factoryprovider_MutationObserver.darttemplate
@@ -3,5 +3,10 @@
 // BSD-style license that can be found in the LICENSE file.
 
 class $FACTORYPROVIDER {
-  factory $CONSTRUCTOR($PARAMETERS) => _dummy();
+  factory $CONSTRUCTOR(MutationCallback callback) native '''
+    var constructor =
+        window.MutationObserver || window.WebKitMutationObserver ||
+        window.MozMutationObserver;
+    return new constructor(callback);
+  ''';
 }