Move dir_reader to base/files

base/files/dir_reader_posix.h

Index: base/files/dir_reader_posix.h
diff --git a/base/dir_reader_posix.h b/base/files/dir_reader_posix.h
similarity index 77%
rename from base/dir_reader_posix.h
rename to base/files/dir_reader_posix.h
index f591ae05783b4d5aa546faf70aebc3dabb9395da..9d77d4749b9cbf3e2931b88d7160c97c996eab27 100644
--- a/base/dir_reader_posix.h
+++ b/base/files/dir_reader_posix.h
@@ -1,9 +1,9 @@
-// Copyright (c) 2010 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.
 
-#ifndef BASE_DIR_READER_POSIX_H_
-#define BASE_DIR_READER_POSIX_H_
+#ifndef BASE_FILES_DIR_READER_POSIX_H_
+#define BASE_FILES_DIR_READER_POSIX_H_
 #pragma once
 
 #include "build/build_config.h"
@@ -19,9 +19,9 @@
 // probably never implement this on the Mac.
 
 #if defined(OS_LINUX)
-#include "base/dir_reader_linux.h"
+#include "base/files/dir_reader_linux.h"
 #else
-#include "base/dir_reader_fallback.h"
+#include "base/files/dir_reader_fallback.h"
 #endif
 
 namespace base {
@@ -34,4 +34,4 @@ typedef DirReaderFallback DirReaderPosix;
 
 }  // namespace base
 
-#endif // BASE_DIR_READER_POSIX_H_
+#endif // BASE_FILES_DIR_READER_POSIX_H_