diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/system_monitor_posix.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/system_monitor_posix.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+// Copyright (c) 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/system_monitor.h"
+
+namespace base {
+
+bool SystemMonitor::IsBatteryPower() {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+} // namespace base