Remove implicit conversions from scoped_refptr to T* in chrome/browser/local_discovery/

chrome/browser/local_discovery/privet_traffic_detector.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/local_discovery/privet_traffic_detector.h"
 
 #include "base/metrics/histogram.h"
 #include "base/sys_byteorder.h"
 #include "net/base/dns_util.h"
 #include "net/base/net_errors.h"
@@ skipping 160 matching lines @@
     if (IsPrivetPacket(rv)) {
       socket_.reset();
       callback_runner_->PostTask(FROM_HERE, on_traffic_detected_);
       base::TimeDelta time_delta = base::Time::Now() - start_time_;
       UMA_HISTOGRAM_LONG_TIMES("LocalDiscovery.DetectorTriggerTime",
                                time_delta);
       return net::OK;
     }
 
     rv = socket_->RecvFrom(
-        io_buffer_,
+        io_buffer_.get(),
         io_buffer_->size(),
         &recv_addr_,
         base::Bind(base::IgnoreResult(&PrivetTrafficDetector::DoLoop),
                    base::Unretained(this)));
   } while (rv > 0);
 
   if (rv != net::ERR_IO_PENDING)
     return rv;
 
   return net::OK;
 }
 
 }  // namespace local_discovery