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..02e892150f2b4673e1c03013e1220cb55171d171 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(

[Ilya Sherman, 2014/07/10 00:39:10]

Please add documentation for this method.

[zqiu1, 2014/07/10 18:11:55]

Done.

+      const net::NetworkChangeNotifier::WifiApInfo &info,
+      metrics::SystemProfileProto::Network *network_proto);

[Ilya Sherman, 2014/07/10 00:39:10]

nit: The ampersand and the star should each precede the space, i.e. "WifiApInfo
&info" should be "WifiApInfo& info".

[zqiu1, 2014/07/10 18:11:55]

Done.

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