Extracting NetLog inner classes into their own classes.

chrome/browser/net/dns_probe_runner.cc

 // Copyright 2013 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/dns_probe_runner.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/address_list.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/base/network_change_notifier.h"
 #include "net/dns/dns_client.h"
 #include "net/dns/dns_protocol.h"
 #include "net/dns/dns_response.h"
 #include "net/dns/dns_transaction.h"
-#include "net/log/net_log.h"
+#include "net/log/net_log_with_source.h"
 
 using base::TimeDelta;
 using content::BrowserThread;
 using net::AddressList;
 using net::DnsClient;
 using net::DnsResponse;
 using net::DnsTransaction;
 using net::DnsTransactionFactory;
 using net::IPEndPoint;
-using net::NetLog;
 using net::NetLogWithSource;
 using net::NetworkChangeNotifier;
 
 namespace chrome_browser_net {
 
 const char DnsProbeRunner::kKnownGoodHostname[] = "google.com";
 
 namespace {
 
 DnsProbeRunner::Result EvaluateResponse(
@@ skipping 101 matching lines @@
   DCHECK(!callback_.is_null());
   DCHECK(!transaction_.get());
 
   // Clear callback in case it starts a new probe immediately.
   const base::Closure callback = callback_;
   callback_.Reset();
   callback.Run();
 }
 
 }  // namespace chrome_browser_net