diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/idle_timer_none.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/idle_timer_none.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+// 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.
+
+// A stub implementation of IdleTimer used to provide symbols needed by Chrome.
+// It's unclear whether we need the idle timer in the linux port, so we're
+// leaving it unported for now.
+
+#include "base/idle_timer.h"
+
+namespace base {
+
+IdleTimer::IdleTimer(TimeDelta idle_time, bool repeat) {
+}
+
+IdleTimer::~IdleTimer() {
+}
+
+void IdleTimer::Start() {
+}
+
+void IdleTimer::Stop() {
+}
+
+}  // namespace base