diff -r 000000000000 -r 6474c204b198 dom/time/TimeManager.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/time/TimeManager.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,59 @@
+/* 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 mozilla_dom_time_TimeManager_h
+#define mozilla_dom_time_TimeManager_h
+
+#include "mozilla/Attributes.h"
+#include "nsISupports.h"
+#include "nsPIDOMWindow.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+namespace dom {
+
+class Date;
+
+namespace time {
+
+class TimeManager MOZ_FINAL : public nsISupports
+                            , public nsWrapperCache
+{
+public:
+  static bool PrefEnabled(JSContext* aCx, JSObject* aGlobal)
+  {
+#ifdef MOZ_TIME_MANAGER
+    return true;
+#else
+    return false;
+#endif
+  }
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TimeManager)
+
+  explicit TimeManager(nsPIDOMWindow* aWindow)
+    : mWindow(aWindow)
+  {
+    SetIsDOMBinding();
+  }
+
+  nsPIDOMWindow* GetParentObject() const
+  {
+    return mWindow;
+  }
+  JSObject* WrapObject(JSContext* aCx);
+
+  void Set(Date& aDate);
+  void Set(double aTime);
+
+private:
+  nsCOMPtr<nsPIDOMWindow> mWindow;
+};
+
+} // namespace time
+} // namespace dom
+} // namespace mozilla
+
+#endif //mozilla_dom_time_TimeManager_h