Implement Worker-MainThread bridge for FileSystem API in Chrome

content/child/fileapi/webfilesystem_callback_adapters.h

 // Copyright 2013 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 CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_CALLBACK_ADAPTERS_H_
 #define CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_CALLBACK_ADAPTERS_H_
 
 #include "base/basictypes.h"
 #include "base/platform_file.h"
 
 class GURL;
 
 namespace fileapi {
 struct DirectoryEntry;
 }
 
 namespace WebKit {
 class WebFileSystemCallbacks;
 }
 
 namespace content {
 
 void FileStatusCallbackAdapter(
     WebKit::WebFileSystemCallbacks* callbacks,
     base::PlatformFileError error);
 
-void ReadMetadataCallbackAdapter(
-    WebKit::WebFileSystemCallbacks* callbacks,
-    const base::PlatformFileInfo& file_info);
-
-void CreateSnapshotFileCallbackAdapter(
-    WebKit::WebFileSystemCallbacks* callbacks,
-    const base::PlatformFileInfo& file_info,
-    const base::FilePath& platform_path);
-
-void ReadDirectoryCallbackAdapater(
-    WebKit::WebFileSystemCallbacks* callbacks,
-    const std::vector<fileapi::DirectoryEntry>& entries,
-    bool has_more);
-
 void OpenFileSystemCallbackAdapter(
     WebKit::WebFileSystemCallbacks* callbacks,
     const std::string& name, const GURL& root);
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_CALLBACK_ADAPTERS_H_