Cleanup: Remove the C version of GetUrandomFD()

base/rand_util_posix.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/rand_util.h"
-#include "base/rand_util_c.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <unistd.h>
 
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 
 namespace {
@@ skipping 30 matching lines @@
 
   int urandom_fd = g_urandom_fd.Pointer()->fd();
   bool success = file_util::ReadFromFD(urandom_fd,
                                        reinterpret_cast<char*>(&number),
                                        sizeof(number));
   CHECK(success);
 
   return number;
 }
 
-}  // namespace base
-
 int GetUrandomFD(void) {
   return g_urandom_fd.Pointer()->fd();
 }
+
+}  // namespace base