Add wifi AP info to system profile metrics

chrome/browser/metrics/network_metrics_provider.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_METRICS_NETWORK_METRICS_PROVIDER_H_
 #define CHROME_BROWSER_METRICS_NETWORK_METRICS_PROVIDER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 24 matching lines @@
   GetConnectionType() const;
   metrics::SystemProfileProto::Network::WifiPHYLayerProtocol
   GetWifiPHYLayerProtocol() const;
 
   // Posts a call to net::GetWifiPHYLayerProtocol on the blocking pool.
   void ProbeWifiPHYLayerProtocol();
   // Callback from the blocking pool with the result of
   // 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.
   net::NetworkChangeNotifier::ConnectionType connection_type_;
 
   // True if |wifi_phy_layer_protocol_| changed during the lifetime of the log.
   bool wifi_phy_layer_protocol_is_ambiguous_;
   // The PHY mode of the currently associated access point obtained via
   // net::GetWifiPHYLayerProtocol.
   net::WifiPHYLayerProtocol wifi_phy_layer_protocol_;
 
   base::WeakPtrFactory<NetworkMetricsProvider> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkMetricsProvider);
 };
 
 #endif  // CHROME_BROWSER_METRICS_NETWORK_METRICS_PROVIDER_H_