API for connection type (Ethernet/WIFI/WWAN ...) in NetworkChangeNotifier.

chrome/browser/net/network_stats.cc

 // 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.
 
 #include "chrome/browser/net/network_stats.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/metrics/field_trial.h"
@@ skipping 515 matching lines @@
         FROM_HERE,
         base::Bind(
             &CollectNetworkStats, network_stats_server, io_thread));
     return;
   }
 
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   // Check that there is a network connection. We get called only if UMA upload
   // to the server has succeeded.
-  DCHECK(!net::NetworkChangeNotifier::IsOffline());
+  DCHECK(net::NetworkChangeNotifier::GetConnectionState() !=
+         net::NetworkChangeNotifier::NONE);
 
   CR_DEFINE_STATIC_LOCAL(scoped_refptr<base::FieldTrial>, trial, ());
   static bool collect_stats = false;
 
   if (!trial.get()) {
     // Set up a field trial to collect network stats for UDP and TCP.
     const base::FieldTrial::Probability kDivisor = 1000;
 
     // Enable the connectivity testing for 0.5% of the users.
     base::FieldTrial::Probability probability_per_group = 5;
@@ skipping 52 matching lines @@
       host_resolver, tcp_server_address, kSmallTestBytesToSend,
       net::CompletionCallback());
 
   TCPStatsClient* large_tcp_client = new TCPStatsClient();
   large_tcp_client->Start(
       host_resolver, tcp_server_address, kLargeTestBytesToSend,
       net::CompletionCallback());
 }
 
 }  // namespace chrome_browser_net