run iwyu on base!

base/file_util_posix.cc

 // 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.
 
-#include "base/file_util.h"
-
 #include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
 #include <fnmatch.h>
-#include <libgen.h>
-#include <limits.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/dirent.h>
 #include <sys/errno.h>
+#include <sys/fcntl.h>
 #include <sys/mman.h>
-#include <sys/param.h>
 #include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <time.h>
+#include <sys/syslimits.h>
+#include <sys/unistd.h>
 #include <unistd.h>
+#include <stack>
+#include <string>
+#include <vector>
+
+#include "base/file_util.h"
+#include "base/platform_file.h"
+#include "build/build_config.h"
 
 #if defined(OS_MACOSX)
 #include <AvailabilityMacros.h>
 #else
 #include <glib.h>
 #endif
 
-#include <fstream>
-
 #include "base/basictypes.h"
 #include "base/eintr_wrapper.h"
 #include "base/file_path.h"
 #include "base/logging.h"
-#include "base/scoped_ptr.h"
-#include "base/singleton.h"
 #include "base/string_util.h"
-#include "base/sys_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
-#include "base/utf_string_conversions.h"
 
 namespace file_util {
 
 namespace {
 
 // Helper for NormalizeFilePath(), defined below.
 bool RealPath(const FilePath& path, FilePath* real_path) {
   base::ThreadRestrictions::AssertIOAllowed();  // For realpath().
   FilePath::CharType buf[PATH_MAX];
   if (!realpath(path.value().c_str(), buf))
@@ skipping 827 matching lines @@
   if (HANDLE_EINTR(close(infile)) < 0)
     result = false;
   if (HANDLE_EINTR(close(outfile)) < 0)
     result = false;
 
   return result;
 }
 #endif  // defined(OS_MACOSX)
 
 }  // namespace file_util