diff -r 000000000000 -r 6474c204b198 parser/html/nsHtml5PendingNotification.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parser/html/nsHtml5PendingNotification.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsHtml5PendingNotification_h
+#define nsHtml5PendingNotification_h
+
+#include "nsNodeUtils.h"
+
+class nsHtml5TreeBuilder;
+
+class nsHtml5PendingNotification {
+  public:
+
+    nsHtml5PendingNotification(nsIContent* aParent)
+     : mParent(aParent),
+       mChildCount(aParent->GetChildCount() - 1)
+    {
+      MOZ_COUNT_CTOR(nsHtml5PendingNotification);
+    }
+
+    ~nsHtml5PendingNotification()
+    {
+      MOZ_COUNT_DTOR(nsHtml5PendingNotification);
+    }
+
+    inline void Fire()
+    {
+      nsNodeUtils::ContentAppended(mParent, mParent->GetChildAt(mChildCount),
+                                   mChildCount);
+    }
+
+    inline bool Contains(nsIContent* aNode)
+    {
+      return !!(mParent == aNode);
+    }
+    
+    inline bool HaveNotifiedIndex(uint32_t index)
+    {
+      return index < mChildCount;
+    }
+
+  private:
+    /**
+     * An element
+     */
+    nsIContent* mParent;
+
+    /**
+     * Child count at start of notification deferring
+     */
+    uint32_t    mChildCount;
+};
+
+#endif // nsHtml5PendingNotification_h