Support socket endpoint permissions for AppsV2 Socket API.

chrome/browser/extensions/api/socket/tcp_socket.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 "chrome/browser/extensions/api/socket/tcp_socket.h"
 
 #include "chrome/browser/extensions/api/api_resource.h"
 #include "chrome/browser/extensions/api/api_resource_event_notifier.h"
 #include "net/base/address_list.h"
 #include "net/base/ip_endpoint.h"
@@ skipping 122 matching lines @@
     return false;
   return socket_->SetKeepAlive(enable, delay);
 }
 
 bool TCPSocket::SetNoDelay(bool no_delay) {
   if (!socket_.get())
     return false;
   return socket_->SetNoDelay(no_delay);
 }
 
+Socket::SocketType TCPSocket::socket_type() const {
+  return Socket::TYPE_TCP;
+}
+
 int TCPSocket::WriteImpl(net::IOBuffer* io_buffer,
                          int io_buffer_size,
                          const net::CompletionCallback& callback) {
   if (!socket_.get() || !socket_->IsConnected())
     return net::ERR_SOCKET_NOT_CONNECTED;
   else
     return socket_->Write(io_buffer, io_buffer_size, callback);
 }
 
 void TCPSocket::OnConnectComplete(int result) {
   DCHECK(!connect_callback_.is_null());
   DCHECK(!is_connected_);
   is_connected_ = result == net::OK;
   connect_callback_.Run(result);
   connect_callback_.Reset();
 }
 
 void TCPSocket::OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer,
                                int result) {
   DCHECK(!read_callback_.is_null());
   read_callback_.Run(result, io_buffer);
   read_callback_.Reset();
 }
 
 }  // namespace extensions