Reverting 8722,8721.

base/file_util.cc

Index: base/file_util.cc
===================================================================
--- base/file_util.cc	(revision 8722)
+++ base/file_util.cc	(working copy)
@@ -4,9 +4,6 @@
 
 #include "base/file_util.h"
 
-#if defined(OS_WIN)
-#include <io.h>
-#endif
 #include <stdio.h>
 
 #include <fstream>
@@ -279,24 +276,6 @@
   return fclose(file) == 0;
 }
 
-bool TruncateFile(FILE* file) {
-  if (file == NULL)
-    return false;
-  long current_offset = ftell(file);
-  if (current_offset == -1)
-    return false;
-#if defined(OS_WIN)
-  int fd = _fileno(file);
-  if (_chsize(fd, current_offset) != 0)
-    return false;
-#else
-  int fd = fileno(file);
-  if (ftruncate(fd, current_offset) != 0)
-    return false;
-#endif
-  return true;
-}
-
 bool ContainsPath(const FilePath &parent, const FilePath& child) {
   FilePath abs_parent = FilePath(parent);
   FilePath abs_child = FilePath(child);