1 files changed, 36 insertions, 0 deletions
diff --git a/chromium/ash/system/chromeos/system_clock_observer.cc b/chromium/ash/system/chromeos/system_clock_observer.cc
new file mode 100644
index 00000000000..c5ab20c3d51
--- /dev/null
+++ b/chromium/ash/system/chromeos/system_clock_observer.cc
@@ -0,0 +1,36 @@
+// Copyright 2013 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 "ash/system/chromeos/system_clock_observer.h"
+
+#include "ash/shell.h"
+#include "ash/system/tray/system_tray_notifier.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+
+namespace ash {
+namespace internal {
+
+SystemClockObserver::SystemClockObserver() {
+  chromeos::DBusThreadManager::Get()->GetSystemClockClient()
+      ->AddObserver(this);
+  chromeos::system::TimezoneSettings::GetInstance()->AddObserver(this);
+}
+
+SystemClockObserver::~SystemClockObserver() {
+  chromeos::DBusThreadManager::Get()->GetSystemClockClient()
+      ->RemoveObserver(this);
+  chromeos::system::TimezoneSettings::GetInstance()->RemoveObserver(this);
+}
+
+void SystemClockObserver::SystemClockUpdated() {
+  Shell::GetInstance()->system_tray_notifier()
+      ->NotifySystemClockTimeUpdated();
+}
+
+void SystemClockObserver::TimezoneChanged(const icu::TimeZone& timezone) {
+  Shell::GetInstance()->system_tray_notifier()->NotifyRefreshClock();
+}
+
+}  // namespace internal
+}  // namespace ash