[net] Add WifiPhyMode to SystemProfile

chrome/browser/metrics/metrics_network_observer.h

Index: chrome/browser/metrics/metrics_network_observer.h
diff --git a/chrome/browser/metrics/metrics_network_observer.h b/chrome/browser/metrics/metrics_network_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..62ff4877807b90427c8724b79c2036facf7e3fd1
--- /dev/null
+++ b/chrome/browser/metrics/metrics_network_observer.h
@@ -0,0 +1,96 @@
+// Copyright (c) 2012 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_METRICS_NETWORK_OBSERVER_H_
+#define CHROME_BROWSER_METRICS_METRICS_NETWORK_OBSERVER_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/common/metrics/proto/system_profile.pb.h"
+#include "net/base/net_util.h"
+#include "net/base/network_change_notifier.h"
+
+using metrics::SystemProfileProto;
+
+// Registers as observer with net::NetworkChangeNotifier and keeps track of
+// the network environment.
+class MetricsNetworkObserver
+    : public net::NetworkChangeNotifier::ConnectionTypeObserver {
+ public:
+  MetricsNetworkObserver();
+  virtual ~MetricsNetworkObserver();
+
+  void Reset();
+
+  // ConnectionTypeObserver:
+  virtual void OnConnectionTypeChanged(
+      net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
+
+  bool connection_type_is_ambiguous() const {
+    return connection_type_is_ambiguous_;
+  }
+
+  SystemProfileProto::Network::ConnectionType connection_type() const {
+    switch (connection_type_) {
+      case net::NetworkChangeNotifier::CONNECTION_NONE:
+      case net::NetworkChangeNotifier::CONNECTION_UNKNOWN:
+        return SystemProfileProto::Network::CONNECTION_UNKNOWN;
+      case net::NetworkChangeNotifier::CONNECTION_ETHERNET:
+        return SystemProfileProto::Network::CONNECTION_ETHERNET;
+      case net::NetworkChangeNotifier::CONNECTION_WIFI:
+        return SystemProfileProto::Network::CONNECTION_WIFI;
+      case net::NetworkChangeNotifier::CONNECTION_2G:
+        return SystemProfileProto::Network::CONNECTION_2G;
+      case net::NetworkChangeNotifier::CONNECTION_3G:
+        return SystemProfileProto::Network::CONNECTION_3G;
+      case net::NetworkChangeNotifier::CONNECTION_4G:
+        return SystemProfileProto::Network::CONNECTION_4G;
+    }
+    NOTREACHED();
+    return SystemProfileProto::Network::CONNECTION_UNKNOWN;
+  }
+
+  bool wifi_phy_mode_is_ambiguous() const {
+    return wifi_phy_mode_is_ambiguous_;
+  }
+
+  SystemProfileProto::Network::WifiPhyMode wifi_phy_mode() const {
+    switch (wifi_phy_mode_) {
+      case net::WIFI_PHY_MODE_NONE:
+        return SystemProfileProto::Network::WIFI_PHY_MODE_NONE;
+      case net::WIFI_PHY_MODE_ANCIENT:
+        return SystemProfileProto::Network::WIFI_PHY_MODE_ANCIENT;
+      case net::WIFI_PHY_MODE_A:
+        return SystemProfileProto::Network::WIFI_PHY_MODE_A;
+      case net::WIFI_PHY_MODE_B:
+        return SystemProfileProto::Network::WIFI_PHY_MODE_B;
+      case net::WIFI_PHY_MODE_G:
+        return SystemProfileProto::Network::WIFI_PHY_MODE_G;
+      case net::WIFI_PHY_MODE_N:
+        return SystemProfileProto::Network::WIFI_PHY_MODE_N;
+      case net::WIFI_PHY_MODE_UNKNOWN:
+        return SystemProfileProto::Network::WIFI_PHY_MODE_UNKNOWN;
+    }
+    NOTREACHED();
+    return SystemProfileProto::Network::WIFI_PHY_MODE_UNKNOWN;
+  }
+
+ private:
+  class WifiPhyModeJob;
+
+  void OnWifiModeChanged(net::WifiPhyMode* mode);
+
+  base::WeakPtrFactory<MetricsNetworkObserver> weak_ptr_factory_;
+
+  bool connection_type_is_ambiguous_;
+  net::NetworkChangeNotifier::ConnectionType connection_type_;
+
+  bool wifi_phy_mode_is_ambiguous_;
+  net::WifiPhyMode wifi_phy_mode_;
+
+  DISALLOW_COPY_AND_ASSIGN(MetricsNetworkObserver);
+};
+
+#endif  // CHROME_BROWSER_METRICS_METRICS_NETWORK_OBSERVER_H_