Add wifi AP info to system profile metrics

chrome/browser/metrics/network_metrics_provider.h

Index: chrome/browser/metrics/network_metrics_provider.h
diff --git a/chrome/browser/metrics/network_metrics_provider.h b/chrome/browser/metrics/network_metrics_provider.h
index 21bd4f830cef465133a49b2ca957138ef6e598c3..a70a8edb867592228099467134191d4fafc754f7 100644
--- a/chrome/browser/metrics/network_metrics_provider.h
+++ b/chrome/browser/metrics/network_metrics_provider.h
@@ -42,6 +42,10 @@ class NetworkMetricsProvider
   // net::GetWifiPHYLayerProtocol.
   void OnWifiPHYLayerProtocolResult(net::WifiPHYLayerProtocol mode);
 
+  void WriteWifiApProto(
+      metrics::SystemProfileProto::Network *network_proto,
+      const net::NetworkChangeNotifier::WifiApInfo &info);

[stevenjb, 2014/07/08 21:55:08]

You still have the const (input) parameter following the non-const (output)
paramater.

http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Functi...

[zqiu1, 2014/07/08 22:20:54]

Done.

+
   // True if |connection_type_| changed during the lifetime of the log.
   bool connection_type_is_ambiguous_;
   // The connection type according to net::NetworkChangeNotifier.