Detect situation when there is no missing send completion signal in P2PSocket implementation.

content/browser/renderer_host/p2p/socket_host_udp.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 "content/browser/renderer_host/p2p/socket_host_udp.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ skipping 324 matching lines @@
                " transient error. Dropping the packet.";
   }
 
   // UMA to track the histograms from 1ms to 1 sec for how long a packet spends
   // in the browser process.
   UMA_HISTOGRAM_TIMES(
       "WebRTC.SystemSendPacketDuration_UDP" /* name */,
       base::TimeTicks::Now() -
           base::TimeTicks::FromInternalValue(tick_received) /* sample */);
 
-  message_sender_->Send(new P2PMsg_OnSendComplete(id_));
+  message_sender_->Send(new P2PMsg_OnSendComplete(
+      id_, P2PSendPacketMetrics(packet_id /* packet_id */)));

[Sergey Ulanov, 2014/12/16 00:21:43]

Don't need the comment.

[guoweis_left_chromium, 2014/12/16 23:12:33]

Done.

 }
 
 P2PSocketHost* P2PSocketHostUdp::AcceptIncomingTcpConnection(
     const net::IPEndPoint& remote_address, int id) {
   NOTREACHED();
   OnError();
   return NULL;
 }
 
 bool P2PSocketHostUdp::SetOption(P2PSocketOption option, int value) {
   DCHECK_EQ(STATE_OPEN, state_);
   switch (option) {
     case P2P_SOCKET_OPT_RCVBUF:
       return socket_->SetReceiveBufferSize(value) == net::OK;
     case P2P_SOCKET_OPT_SNDBUF:
       return socket_->SetSendBufferSize(value) == net::OK;
     case P2P_SOCKET_OPT_DSCP:
       return (net::OK == socket_->SetDiffServCodePoint(
           static_cast<net::DiffServCodePoint>(value))) ? true : false;
     default:
       NOTREACHED();
       return false;
   }
 }
 
 }  // namespace content