nacl_io: Add SOCK_DGRAM support to socketpair()

native_client_sdk/src/libraries/nacl_io/socket/unix_node.cc

 // Copyright 2015 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 "nacl_io/ossocket.h"
 #ifdef PROVIDES_SOCKET_API
 
 #include <assert.h>
 #include <string.h>
 #include <algorithm>
 
 #include "nacl_io/socket/unix_event_emitter.h"
 #include "nacl_io/socket/unix_node.h"
 
 namespace nacl_io {
 
-UnixNode::UnixNode(Filesystem* filesystem)
+UnixNode::UnixNode(Filesystem* filesystem, int type)
     : SocketNode(SOCK_STREAM, filesystem),
-      emitter_(UnixEventEmitter::MakeUnixEventEmitter(65536)) {
+      emitter_(UnixEventEmitter::MakeUnixEventEmitter(65536, type)) {
   emitter_->AttachStream(this);
 }
 
 UnixNode::UnixNode(Filesystem* filesystem, const UnixNode& peer)
     : SocketNode(SOCK_STREAM, filesystem),
       emitter_(peer.emitter_->GetPeerEmitter()) {
   emitter_->AttachStream(this);
 }
 
 EventEmitter* UnixNode::GetEventEmitter() {
@@ skipping 56 matching lines @@
                        const struct sockaddr* dest_addr,
                        socklen_t addrlen,
                        int* out_len) {
   PP_Resource addr = 0;
   return SendHelper(attr, buf, len, flags, addr, out_len);
 }
 
 }  // namespace nacl_io
 
 #endif  // PROVIDES_SOCKET_API