// Register the Observer callbacks for producing histogram data. This
// should be called from the network thread to avoid race conditions.
+ // ShutdownHistogramWatcher() must be called prior to NetworkChangeNotifier
+ // destruction.
static void InitHistogramWatcher();
+ // Unregister the Observer callbacks for producing histogram data. This
+ // should be called from the network thread to avoid race conditions.
+ static void ShutdownHistogramWatcher();
+
+ // Log the |NCN.NetworkOperatorMCCMNC| histogram.
+ static void LogOperatorCodeHistogram(ConnectionType type);
+
// Allows a second NetworkChangeNotifier to be created for unit testing, so
// the test suite can create a MockNetworkChangeNotifier, but platform
// specific NetworkChangeNotifiers can also be created for testing. To use,