diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/timer.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/timer.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/timer.h"
+
+#include "base/message_loop.h"
+
+namespace base {
+
+void BaseTimer_Helper::OrphanDelayedTask() {
+  if (delayed_task_) {
+    delayed_task_->timer_ = NULL;
+    delayed_task_ = NULL;
+  }
+}
+
+void BaseTimer_Helper::InitiateDelayedTask(TimerTask* timer_task) {
+  OrphanDelayedTask();
+
+  delayed_task_ = timer_task;
+  delayed_task_->timer_ = this;
+  MessageLoop::current()->PostDelayedTask(
+      FROM_HERE, timer_task,
+      static_cast<int>(timer_task->delay_.InMilliseconds()));
+}
+
+}  // namespace base