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"
 #include "components/metrics/metrics_provider.h"
 #include "components/metrics/proto/system_profile.pb.h"
 #include "net/base/net_util.h"
 #include "net/base/network_change_notifier.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/network/wifi_access_point_info_provider_chromeos.h"
+#else
+#include "net/base/wifi_access_point_info_provider_stub.h"
+#endif // OS_CHROMEOS

[stevenjb, 2014/07/23 22:21:15]

Put this in the .cc file, not the header. Just include
wifi_access_point_info_provider.h here

[zqiu1, 2014/07/23 22:41:32]

Done.

+
 // Registers as observer with net::NetworkChangeNotifier and keeps track of
 // the network environment.
 class NetworkMetricsProvider
     : public metrics::MetricsProvider,
       public net::NetworkChangeNotifier::ConnectionTypeObserver {
  public:
   NetworkMetricsProvider();
   virtual ~NetworkMetricsProvider();
 
   // metrics::MetricsProvider:
   virtual void ProvideSystemProfileMetrics(
       metrics::SystemProfileProto* system_profile) OVERRIDE;
 
   // ConnectionTypeObserver:
   virtual void OnConnectionTypeChanged(
       net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
 
  private:
   metrics::SystemProfileProto::Network::ConnectionType
   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);
 
+  // Writes info about the wireless access points that this system is
+  // connected to.
+  void WriteWifiAccessPointProto(
+      const net::WifiAccessPointInfo& info,
+      metrics::SystemProfileProto::Network* network_proto);
+
   // 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_;
 
+  // Helper object for retrieving connected wifi access point information.
+  scoped_ptr<net::WifiAccessPointInfoProvider> wifi_access_point_info_provider_;
+
   DISALLOW_COPY_AND_ASSIGN(NetworkMetricsProvider);
 };
 
 #endif  // CHROME_BROWSER_METRICS_NETWORK_METRICS_PROVIDER_H_