diff -r 000000000000 -r 6474c204b198 dom/time/TimeManager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/time/TimeManager.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* 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 "TimeManager.h"
+
+#include "mozilla/dom/Date.h"
+#include "mozilla/dom/MozTimeManagerBinding.h"
+#include "nsITimeService.h"
+#include "nsServiceManagerUtils.h"
+
+namespace mozilla {
+namespace dom {
+namespace time {
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TimeManager)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(TimeManager)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(TimeManager)
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(TimeManager, mWindow)
+
+JSObject*
+TimeManager::WrapObject(JSContext* aCx)
+{
+  return MozTimeManagerBinding::Wrap(aCx, this);
+}
+
+void
+TimeManager::Set(Date& aDate)
+{
+  Set(aDate.TimeStamp());
+}
+
+void
+TimeManager::Set(double aTime)
+{
+  nsCOMPtr<nsITimeService> timeService = do_GetService(TIMESERVICE_CONTRACTID);
+  if (timeService) {
+    timeService->Set(aTime);
+  }
+}
+
+} // namespace time
+} // namespace dom
+} // namespace mozilla