Move and rename FdopenPlatformFile to file_util

base/file_util_posix.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 "base/file_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <libgen.h>
@@ skipping 636 matching lines @@
 
 FILE* OpenFile(const FilePath& filename, const char* mode) {
   ThreadRestrictions::AssertIOAllowed();
   FILE* result = NULL;
   do {
     result = fopen(filename.value().c_str(), mode);
   } while (!result && errno == EINTR);
   return result;
 }
 
+// NaCl doesn't implement system calls to open files directly.
+#if !defined(OS_NACL)
+FILE* FileToFILE(File file, const char* mode) {
+  FILE* stream = fdopen(file.GetPlatformFile(), mode);
+  if (stream)
+    file.TakePlatformFile();
+  return stream;
+}
+#endif  // !defined(OS_NACL)
+
 int ReadFile(const FilePath& filename, char* data, int max_size) {
   ThreadRestrictions::AssertIOAllowed();
   int fd = HANDLE_EINTR(open(filename.value().c_str(), O_RDONLY));
   if (fd < 0)
     return -1;
 
   ssize_t bytes_read = HANDLE_EINTR(read(fd, data, max_size));
   if (IGNORE_EINTR(close(fd)) < 0)
     return -1;
   return bytes_read;
@@ skipping 226 matching lines @@
     result = false;
   if (IGNORE_EINTR(close(outfile)) < 0)
     result = false;
 
   return result;
 }
 #endif  // !defined(OS_MACOSX)
 
 }  // namespace internal
 }  // namespace base