Make DnsSocketPool copy RandIntCallback

net/dns/dns_socket_pool.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 "net/dns/dns_socket_pool.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/rand_util.h"
 #include "base/stl_util.h"
@@ skipping 135 matching lines @@
  private:
   void FillPool(unsigned server_index, unsigned size);
 
   typedef std::vector<DatagramClientSocket*> SocketVector;
 
   std::vector<SocketVector> pools_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultDnsSocketPool);
 };
 
+DnsSocketPool::~DnsSocketPool() {}
+
 // static
 std::unique_ptr<DnsSocketPool> DnsSocketPool::CreateDefault(
     ClientSocketFactory* factory,
     const RandIntCallback& rand_int_callback) {
   return std::unique_ptr<DnsSocketPool>(
       new DefaultDnsSocketPool(factory, rand_int_callback));
 }
 
 void DefaultDnsSocketPool::Initialize(
     const std::vector<IPEndPoint>* nameservers,
@@ skipping 52 matching lines @@
   for (unsigned pool_index = pool.size(); pool_index < size; ++pool_index) {
     DatagramClientSocket* socket =
         CreateConnectedSocket(server_index).release();
     if (!socket)
       break;
     pool.push_back(socket);
   }
 }
 
 } // namespace net