Move fileapi into its own component

webkit/fileapi/native_file_util.h

 // 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 WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_
 #define WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_
 
 #include "base/file_path.h"
 #include "base/file_util_proxy.h"
 #include "base/platform_file.h"
+#include "webkit/fileapi/fileapi_export.h"
 #include "webkit/fileapi/file_system_file_util.h"
 
 namespace base {
 class Time;
 }
 
 namespace fileapi {
 
 using base::PlatformFile;
 using base::PlatformFileError;
 
 // TODO(dmikurube): Add unit tests for NativeFileUtil.
 // This class handles accessing the OS native filesystem.
-class NativeFileUtil {
+class FILEAPI_EXPORT_PRIVATE NativeFileUtil {
  public:
   static PlatformFileError CreateOrOpen(
       const FilePath& path,
       int file_flags,
       PlatformFile* file_handle,
       bool* created);
   static PlatformFileError Close(PlatformFile file);
   static PlatformFileError EnsureFileExists(const FilePath& path,
                                             bool* created);
   static PlatformFileError CreateDirectory(const FilePath& path,
@@ skipping 17 matching lines @@
   static PlatformFileError DeleteFile(const FilePath& path);
   static PlatformFileError DeleteSingleDirectory(const FilePath& path);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(NativeFileUtil);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_