Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/renderer_host/p2p/socket_host_tcp.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_tcp.h"
 
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
 #include "base/sys_byteorder.h"
 #include "content/common/p2p_messages.h"
 #include "ipc/ipc_sender.h"
 #include "jingle/glue/fake_ssl_client_socket.h"
 #include "jingle/glue/proxy_resolving_client_socket.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/socket/client_socket_handle.h"
@@ skipping 93 matching lines @@
   int status = socket_->Connect(
       base::Bind(&P2PSocketHostTcpBase::OnConnected,
                  base::Unretained(this)));
   if (status != net::ERR_IO_PENDING) {
     // We defer execution of ProcessConnectDone instead of calling it
     // directly here as the caller may not expect an error/close to
     // happen here.  This is okay, as from the caller's point of view,
     // the connect always happens asynchronously.
     base::MessageLoop* message_loop = base::MessageLoop::current();
     CHECK(message_loop);
-    message_loop->task_runner()->PostTask(
-        FROM_HERE, base::Bind(&P2PSocketHostTcpBase::OnConnected,
-                              base::Unretained(this), status));
+    message_loop->PostTask(
+        FROM_HERE,
+        base::Bind(&P2PSocketHostTcpBase::OnConnected,
+                   base::Unretained(this), status));
   }
 
   return state_ != STATE_ERROR;
 }
 
 void P2PSocketHostTcpBase::OnError() {
   socket_.reset();
 
   if (state_ == STATE_UNINITIALIZED || state_ == STATE_CONNECTING ||
       state_ == STATE_TLS_CONNECTING || state_ == STATE_OPEN) {
@@ skipping 492 matching lines @@
   } else {
     packet_size += kTurnChannelDataHeaderSize;
     // Calculate any padding if present.
     if (packet_size % 4)
       *pad_bytes = 4 - packet_size % 4;
   }
   return packet_size;
 }
 
 }  // namespace content