diff -r 000000000000 -r 6474c204b198 docshell/base/nsDownloadHistory.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/docshell/base/nsDownloadHistory.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=2 sts=2
+ * 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/. */
+
+#include "nsDownloadHistory.h"
+#include "nsCOMPtr.h"
+#include "nsServiceManagerUtils.h"
+#include "nsIGlobalHistory2.h"
+#include "nsIObserverService.h"
+#include "nsIURI.h"
+
+////////////////////////////////////////////////////////////////////////////////
+//// nsDownloadHistory
+
+NS_IMPL_ISUPPORTS(nsDownloadHistory, nsIDownloadHistory)
+
+////////////////////////////////////////////////////////////////////////////////
+//// nsIDownloadHistory
+
+NS_IMETHODIMP
+nsDownloadHistory::AddDownload(nsIURI *aSource,
+                               nsIURI *aReferrer,
+                               PRTime aStartTime,
+                               nsIURI *aDestination)
+{
+  NS_ENSURE_ARG_POINTER(aSource);
+
+  nsCOMPtr<nsIGlobalHistory2> history =
+    do_GetService("@mozilla.org/browser/global-history;2");
+  if (!history)
+    return NS_ERROR_NOT_AVAILABLE;
+
+  bool visited;
+  nsresult rv = history->IsVisited(aSource, &visited);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  rv = history->AddURI(aSource, false, true, aReferrer);
+  NS_ENSURE_SUCCESS(rv, rv);
+  
+  if (!visited) {
+    nsCOMPtr<nsIObserverService> os =
+      do_GetService("@mozilla.org/observer-service;1");
+    if (os)
+      os->NotifyObservers(aSource, NS_LINK_VISITED_EVENT_TOPIC, nullptr);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDownloadHistory::RemoveAllDownloads()
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}