diff -r 000000000000 -r 6474c204b198 browser/components/migration/src/nsIEHistoryEnumerator.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/migration/src/nsIEHistoryEnumerator.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* 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 iehistoryenumerator___h___
+#define iehistoryenumerator___h___
+
+#include <urlhist.h>
+
+#include "mozilla/Attributes.h"
+#include "nsISimpleEnumerator.h"
+#include "nsIWritablePropertyBag2.h"
+#include "nsAutoPtr.h"
+
+class nsIEHistoryEnumerator MOZ_FINAL : public nsISimpleEnumerator
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISIMPLEENUMERATOR
+
+  nsIEHistoryEnumerator();
+
+private:
+  ~nsIEHistoryEnumerator();
+
+  /**
+   * Initializes the history reader, if needed.
+   */
+  void EnsureInitialized();
+
+  nsRefPtr<IUrlHistoryStg2> mIEHistory;
+  nsRefPtr<IEnumSTATURL> mURLEnumerator;
+
+  nsCOMPtr<nsIWritablePropertyBag2> mCachedNextEntry;
+};
+
+#endif