Move Posix file utils to the base namespace.

content/zygote/zygote_linux.cc

 // Copyright (c) 2012 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 "content/zygote/zygote_linux.h"
 
 #include <fcntl.h>
 #include <string.h>
 #include <sys/socket.h>
 #include <sys/types.h>
@@ skipping 316 matching lines @@
   if (pid < 0) {
     goto error;
   } else if (pid == 0) {
     // In the child process.
     close(pipe_fds[1]);
     base::ProcessId real_pid;
     // Wait until the parent process has discovered our PID.  We
     // should not fork any child processes (which the seccomp
     // sandbox does) until then, because that can interfere with the
     // parent's discovery of our PID.
-    if (!file_util::ReadFromFD(pipe_fds[0],
-                               reinterpret_cast<char*>(&real_pid),
-                               sizeof(real_pid))) {
+    if (!base::ReadFromFD(pipe_fds[0], reinterpret_cast<char*>(&real_pid),
+                          sizeof(real_pid))) {
       LOG(FATAL) << "Failed to synchronise with parent zygote process";
     }
     if (real_pid <= 0) {
       LOG(FATAL) << "Invalid pid from parent zygote";
     }
 #if defined(OS_LINUX)
     // Sandboxed processes need to send the global, non-namespaced PID when
     // setting up an IPC channel to their parent.
     IPC::Channel::SetGlobalPid(real_pid);
     // Force the real PID so chrome event data have a PID that corresponds
@@ skipping 194 matching lines @@
                                     PickleIterator iter) {
   if (HANDLE_EINTR(write(fd, &sandbox_flags_, sizeof(sandbox_flags_))) !=
                    sizeof(sandbox_flags_)) {
     PLOG(ERROR) << "write";
   }
 
   return false;
 }
 
 }  // namespace content