Fix a couple small problems in base/

base/posix/unix_domain_socket.cc

 // 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.
 
 #include "base/posix/unix_domain_socket.h"
 
 #include <errno.h>
 #include <unistd.h>
 #include <sys/uio.h>
 #include <sys/socket.h>
@@ skipping 93 matching lines @@
 ssize_t UnixDomainSocket::SendRecvMsg(int fd,
                                       uint8_t* reply,
                                       unsigned max_reply_len,
                                       int* result_fd,
                                       const Pickle& request) {
   int fds[2];
 
   // This socketpair is only used for the IPC and is cleaned up before
   // returning.
   if (socketpair(AF_UNIX, SOCK_DGRAM, 0, fds) == -1)
-      return false;
+    return -1;
 
   std::vector<int> fd_vector;
   fd_vector.push_back(fds[1]);
   if (!SendMsg(fd, request.data(), request.size(), fd_vector)) {
     close(fds[0]);
     close(fds[1]);
     return -1;
   }
   close(fds[1]);
 
@@ skipping 12 matching lines @@
     NOTREACHED();
 
     return -1;
   }
 
   if (result_fd)
     *result_fd = fd_vector.empty() ? -1 : fd_vector[0];
 
   return reply_len;
 }