Stop using chrome-sandbox to determine real pids

base/posix/unix_domain_socket_linux.h

 // Copyright (c) 2011 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 BASE_POSIX_UNIX_DOMAIN_SOCKET_LINUX_H_
 #define BASE_POSIX_UNIX_DOMAIN_SOCKET_LINUX_H_
 
 #include <stdint.h>
 #include <sys/types.h>
 #include <vector>
@@ skipping 54 matching lines @@
   //   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);
 
+  // Same as SendRecvMsg, but sends an extra file descriptor with the request
+  // message.
+  static ssize_t SendRecvMsgWithFD(int fd,
+                                   uint8_t* reply,
+                                   unsigned reply_len,
+                                   int* result_fd,
+                                   const Pickle& request,
+                                   int request_fd);
+
   // Similar to SendRecvMsg(), but |recvmsg_flags| allows to control the flags
   // of the recvmsg(2) call.
   static ssize_t SendRecvMsgWithFlags(int fd,
                                       uint8_t* reply,
                                       unsigned reply_len,
                                       int recvmsg_flags,
                                       int* result_fd,
                                       const Pickle& request);
+
  private:
   // Similar to RecvMsg, but allows to specify |flags| for recvmsg(2).
   static ssize_t RecvMsgWithFlags(int fd,
                                   void* msg,
                                   size_t length,
                                   int flags,
                                   std::vector<int>* fds,
                                   base::ProcessId* pid);
+
+  static ssize_t SendRecvMsgImpl(int fd,
+                                 uint8_t* reply,
+                                 unsigned max_reply_len,
+                                 int recvmsg_flags,
+                                 int* result_fd,
+                                 const Pickle& request,
+                                 int request_fd);
 };
 
 #endif  // BASE_POSIX_UNIX_DOMAIN_SOCKET_LINUX_H_