Revert 276939 "Decouple IPC::MessageFilter from IPC::Channel"

content/browser/renderer_host/p2p/socket_dispatcher_host.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_dispatcher_host.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "content/browser/renderer_host/p2p/socket_host.h"
 #include "content/common/p2p_messages.h"
@@ skipping 87 matching lines @@
     net::URLRequestContextGetter* url_context)
     : BrowserMessageFilter(P2PMsgStart),
       resource_context_(resource_context),
       url_context_(url_context),
       monitoring_networks_(false),
       dump_incoming_rtp_packet_(false),
       dump_outgoing_rtp_packet_(false) {
 }
 
 void P2PSocketDispatcherHost::OnChannelClosing() {
-  // Since the IPC sender is gone, close pending connections.
+  // Since the IPC channel is gone, close pending connections.
   STLDeleteContainerPairSecondPointers(sockets_.begin(), sockets_.end());
   sockets_.clear();
 
   STLDeleteContainerPointers(dns_requests_.begin(), dns_requests_.end());
   dns_requests_.clear();
 
   if (monitoring_networks_) {
     net::NetworkChangeNotifier::RemoveIPAddressObserver(this);
     monitoring_networks_ = false;
   }
@@ skipping 227 matching lines @@
 
     if (!dump_incoming_rtp_packet_ && !dump_outgoing_rtp_packet_)
       packet_callback_.Reset();
 
     for (SocketsMap::iterator it = sockets_.begin(); it != sockets_.end(); ++it)
       it->second->StopRtpDump(incoming, outgoing);
   }
 }
 
 }  // namespace content