Revert of [NaCl SDK] nacl_io: Add support for basic socketpairs.

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

Index: native_client_sdk/src/libraries/nacl_io/socket/unix_node.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/socket/unix_node.cc b/native_client_sdk/src/libraries/nacl_io/socket/unix_node.cc
deleted file mode 100644
index c5675a6d3b30615f3e81c45fe15d31745cf82207..0000000000000000000000000000000000000000
--- a/native_client_sdk/src/libraries/nacl_io/socket/unix_node.cc
+++ /dev/null
@@ -1,94 +0,0 @@
-// 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)
-    : SocketNode(filesystem),
-      emitter_(UnixEventEmitter::MakeUnixEventEmitter(65536)) {
-  emitter_->AttachStream(this);
-}
-
-UnixNode::UnixNode(Filesystem* filesystem, const UnixNode& peer)
-    : SocketNode(filesystem), emitter_(peer.emitter_->GetPeerEmitter()) {
-  emitter_->AttachStream(this);
-}
-
-EventEmitter* UnixNode::GetEventEmitter() {
-  return emitter_.get();
-}
-
-Error UnixNode::Recv_Locked(void* buffer,
-                            size_t len,
-                            PP_Resource* out_addr,
-                            int* out_len) {
-  assert(emitter_.get());
-  *out_len = emitter_->ReadIn_Locked((char*)buffer, len);
-  *out_addr = 0;
-  return 0;
-}
-
-Error UnixNode::Send_Locked(const void* buffer,
-                            size_t len,
-                            PP_Resource out_addr,
-                            int* out_len) {
-  assert(emitter_.get());
-  *out_len = emitter_->WriteOut_Locked((char*)buffer, len);
-  return 0;
-}
-
-Error UnixNode::RecvFrom(const HandleAttr& attr,
-                         void* buf,
-                         size_t len,
-                         int flags,
-                         struct sockaddr* src_addr,
-                         socklen_t* addrlen,
-                         int* out_len) {
-  PP_Resource addr = 0;
-  Error err = RecvHelper(attr, buf, len, flags, &addr, out_len);
-  if (0 == err) {
-    if (src_addr) {
-      unsigned short family = AF_UNIX;
-      memcpy(src_addr, &family,
-             std::min(*addrlen, static_cast<socklen_t>(sizeof(family))));
-      *addrlen = sizeof(family);
-    }
-  }
-
-  return err;
-}
-
-Error UnixNode::Send(const HandleAttr& attr,
-                     const void* buf,
-                     size_t len,
-                     int flags,
-                     int* out_len) {
-  PP_Resource addr = 0;
-  return SendHelper(attr, buf, len, flags, addr, out_len);
-}
-
-Error UnixNode::SendTo(const HandleAttr& attr,
-                       const void* buf,
-                       size_t len,
-                       int flags,
-                       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