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..430a0142d77d769368c8ce73944790f390acc783 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 00:24:53]

non-const result parameters should follow const parameters.

[zqiu1, 2014/07/08 20:47:53]

Done.

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