Extracting NetLog inner classes into their own classes.

net/dns/host_resolver_impl_fuzzer.cc

 // Copyright 2016 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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "base/test/fuzzed_data_provider.h"
 #include "net/base/address_family.h"
 #include "net/base/address_list.h"
 #include "net/base/net_errors.h"
 #include "net/base/request_priority.h"
 #include "net/dns/fuzzed_host_resolver.h"
 #include "net/dns/host_resolver.h"
+#include "net/log/net_log_with_source.h"
 #include "net/log/test_net_log.h"
 
 namespace {
 
 const char* kHostNames[] = {"foo", "foo.com",   "a.foo.com",
                             "bar", "localhost", "localhost6"};
 
 net::AddressFamily kAddressFamilies[] = {
     net::ADDRESS_FAMILY_UNSPECIFIED, net::ADDRESS_FAMILY_IPV4,
     net::ADDRESS_FAMILY_IPV6,
@@ skipping 195 matching lines @@
           break;
       }
     }
   }
 
   // Clean up any pending tasks, after deleting everything.
   base::RunLoop().RunUntilIdle();
 
   return 0;
 }