Hook up system clock update dbus signal to chrome and ash tray ui.

chromeos/dbus/mock_system_clock_client.cc

Index: chromeos/dbus/mock_system_clock_client.cc
diff --git a/chrome/browser/chromeos/net/mock_connectivity_state_helper.cc b/chromeos/dbus/mock_system_clock_client.cc
similarity index 52%
copy from chrome/browser/chromeos/net/mock_connectivity_state_helper.cc
copy to chromeos/dbus/mock_system_clock_client.cc
index be9caa1791ce43781707748b5405866330ca237b..5269719a0f2c190aae3de24a699b08b8ad65adb4 100644
--- a/chrome/browser/chromeos/net/mock_connectivity_state_helper.cc
+++ b/chromeos/dbus/mock_system_clock_client.cc
@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/chromeos/net/mock_connectivity_state_helper.h"
+#include "chromeos/dbus/mock_system_clock_client.h"
+
 
 namespace chromeos {
 
-MockConnectivityStateHelper::MockConnectivityStateHelper() {}
-MockConnectivityStateHelper::~MockConnectivityStateHelper() {}
+MockSystemClockClient::MockSystemClockClient() {}
+MockSystemClockClient::~MockSystemClockClient() {}
 
 }  // namespace chromeos