Convert Pass()→std::move() in //net

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 69 matching lines @@
   if (socket.get()) {
     int rv = socket->Connect((*nameservers_)[server_index]);
     if (rv != OK) {
       VLOG(1) << "Failed to connect socket: " << rv;
       socket.reset();
     }
   } else {
     LOG(WARNING) << "Failed to create socket.";
   }
 
-  return socket.Pass();
+  return socket;
 }
 
 class NullDnsSocketPool : public DnsSocketPool {
  public:
   NullDnsSocketPool(ClientSocketFactory* factory)
      : DnsSocketPool(factory) {
   }
 
   void Initialize(const std::vector<IPEndPoint>* nameservers,
                   NetLog* net_log) override {
@@ skipping 108 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