Split ProcessHandle and its related routines into base/process/process_handle.h.

base/process/process_handle_freebsd.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/process_util.h"
+#include "base/process/process_handle.h"
 
-#include <ctype.h>
-#include <dirent.h>
-#include <dlfcn.h>
-#include <errno.h>
-#include <fcntl.h>
 #include <sys/sysctl.h>
-#include <sys/time.h>
 #include <sys/types.h>
-#include <sys/user.h>
-#include <sys/wait.h>
-#include <time.h>
 #include <unistd.h>
 
-#include "base/logging.h"
-#include "base/string_tokenizer.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "base/sys_info.h"
-
 namespace base {
 
 ProcessId GetParentProcessId(ProcessHandle process) {
   struct kinfo_proc info;
   size_t length;
   int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
 
   if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0)
     return -1;
 
   return info.ki_ppid;
 }
 
 FilePath GetProcessExecutablePath(ProcessHandle process) {
   char pathname[PATH_MAX];
   size_t length;
   int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, process };
 
   length = sizeof(pathname);
 
   if (sysctl(mib, arraysize(mib), pathname, &length, NULL, 0) < 0 ||
       length == 0) {
     return FilePath();
   }
 
   return FilePath(std::string(pathname));
 }
 
 }  // namespace base