Support socket endpoint permissions for AppsV2 Socket API.

chrome/browser/extensions/api/socket/udp_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/udp_socket.h"
 
 #include "chrome/browser/extensions/api/api_resource.h"
 #include "chrome/browser/extensions/api/api_resource_event_notifier.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
@@ skipping 167 matching lines @@
         io_buffer.get(),
         byte_count,
         ip_end_point,
         base::Bind(&UDPSocket::OnSendToComplete, base::Unretained(this)));
   } while (false);
 
   if (result != net::ERR_IO_PENDING)
     OnSendToComplete(result);
 }
 
+Socket::SocketType UDPSocket::socket_type() const {
+  return Socket::TYPE_UDP;
+}
+
 void UDPSocket::OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer,
                                int result) {
   DCHECK(!read_callback_.is_null());
   read_callback_.Run(result, io_buffer);
   read_callback_.Reset();
 }
 
 void UDPSocket::OnRecvFromComplete(scoped_refptr<net::IOBuffer> io_buffer,
                                    scoped_refptr<IPEndPoint> address,
                                    int result) {
   DCHECK(!recv_from_callback_.is_null());
   std::string ip;
   int port = 0;
   if (result > 0 && address.get()) {
     IPEndPointToStringAndPort(address->data, &ip, &port);
   }
   recv_from_callback_.Run(result, io_buffer, ip, port);
   recv_from_callback_.Reset();
 }
 
 void UDPSocket::OnSendToComplete(int result) {
   DCHECK(!send_to_callback_.is_null());
   send_to_callback_.Run(result);
   send_to_callback_.Reset();
 }
 
 }  // namespace extensions