Replace NOTREACHED() with NOTIMPLEMENTED() for TCP sockets in ChromiumPacketSocketFactory.

remoting/protocol/chromium_socket_factory.cc

 // Copyright 2014 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 "remoting/protocol/chromium_socket_factory.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 368 matching lines @@
   if (!result->Init(local_address, min_port, max_port))
     return nullptr;
   return result.release();
 }
 
 rtc::AsyncPacketSocket* ChromiumPacketSocketFactory::CreateServerTcpSocket(
     const rtc::SocketAddress& local_address,
     uint16_t min_port,
     uint16_t max_port,
     int opts) {
-  // We don't use TCP sockets for remoting connections.
+  // TCP sockets are not supported.
+  // TODO(sergeyu): Implement TCP support crbug.com/600032 .
   NOTIMPLEMENTED();
   return nullptr;
 }
 
 rtc::AsyncPacketSocket*
 ChromiumPacketSocketFactory::CreateClientTcpSocket(
       const rtc::SocketAddress& local_address,
       const rtc::SocketAddress& remote_address,
       const rtc::ProxyInfo& proxy_info,
       const std::string& user_agent,
       int opts) {
-  // We don't use TCP sockets for remoting connections.
-  NOTREACHED();
+  // TCP sockets are not supported.
+  // TODO(sergeyu): Implement TCP support crbug.com/600032 .
+  NOTIMPLEMENTED();
   return nullptr;
 }
 
 rtc::AsyncResolverInterface*
 ChromiumPacketSocketFactory::CreateAsyncResolver() {
   return new rtc::AsyncResolver();
 }
 
 }  // namespace protocol
 }  // namespace remoting