Remove MetricsServiceObserver in favor of MetricsProvider.

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 "chrome/browser/metrics/wifi_access_point_info_provider.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"
 
 // 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();
 
+ private:
   // metrics::MetricsProvider:
+  virtual void OnDidCreateMetricsLog() OVERRIDE;
   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);
@@ skipping 17 matching lines @@
 
   base::WeakPtrFactory<NetworkMetricsProvider> weak_ptr_factory_;
 
   // Helper object for retrieving connected wifi access point information.
   scoped_ptr<WifiAccessPointInfoProvider> wifi_access_point_info_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkMetricsProvider);
 };
 
 #endif  // CHROME_BROWSER_METRICS_NETWORK_METRICS_PROVIDER_H_