Move a bunch of files from chrome\common to content\common.

chrome/common/unix_domain_socket_posix.h

-// Copyright (c) 2010 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.
-
-#ifndef CHROME_COMMON_UNIX_DOMAIN_SOCKET_POSIX_H_
-#define CHROME_COMMON_UNIX_DOMAIN_SOCKET_POSIX_H_
-#pragma once
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <vector>
-
-class Pickle;
-
-class UnixDomainSocket {
- public:
-  // Use sendmsg to write the given msg and include a vector of file
-  // descriptors. Returns true if successful.
-  static bool SendMsg(int fd,
-                      const void* msg,
-                      size_t length,
-                      const std::vector<int>& fds);
-
-  // Use recvmsg to read a message and an array of file descriptors. Returns
-  // -1 on failure. Note: will read, at most, 16 descriptors.
-  static ssize_t RecvMsg(int fd,
-                         void* msg,
-                         size_t length,
-                         std::vector<int>* fds);
-
-  // Perform a sendmsg/recvmsg pair.
-  //   1. This process creates a UNIX DGRAM socketpair.
-  //   2. This proces writes a request to |fd| with an SCM_RIGHTS control
-  //      message containing on end of the fresh socket pair.
-  //   3. This process blocks reading from the other end of the fresh
-  //      socketpair.
-  //   4. The target process receives the request, processes it and writes the
-  //      reply to the end of the socketpair contained in the request.
-  //   5. This process wakes up and continues.
-  //
-  //   fd: descriptor to send the request on
-  //   reply: buffer for the reply
-  //   reply_len: size of |reply|
-  //   result_fd: (may be NULL) the file descriptor returned in the reply
-  //              (if any)
-  //   request: the bytes to send in the request
-  static ssize_t SendRecvMsg(int fd,
-                             uint8_t* reply,
-                             unsigned reply_len,
-                             int* result_fd,
-                             const Pickle& request);
-};
-
-#endif  // CHROME_COMMON_UNIX_DOMAIN_SOCKET_POSIX_H_