Remove obsolete webkit_glue::P2PTransport interface.

webkit/glue/p2p_transport.cc

-// Copyright (c) 2011 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 "webkit/glue/p2p_transport.h"
-
-namespace webkit_glue {
-
-P2PTransport::Config::Config()
-    : stun_server_port(0),
-      relay_server_port(0),
-      legacy_relay(false),
-      tcp_receive_window(0),
-      tcp_send_window(0),
-      tcp_no_delay(false),
-      tcp_ack_delay_ms(0),
-      disable_tcp_transport(false) {
-}
-
-P2PTransport::Config::~Config() {
-}
-
-}  // namespace webkit_glue