SyncFS: Introduce SyncFileSystemBackend

webkit/browser/fileapi/file_system_backend.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_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 51 matching lines @@
   virtual void InitializeFileSystem(
       const GURL& origin_url,
       FileSystemType type,
       OpenFileSystemMode mode,
       FileSystemContext* context,
       const InitializeFileSystemCallback& callback) = 0;
 
   // Returns the specialized FileSystemFileUtil for this mount point.
   // It is ok to return NULL if the filesystem doesn't support synchronous
   // version of FileUtil.
-  virtual FileSystemFileUtil* GetFileUtil(FileSystemType type) = 0;
+  virtual FileSystemFileUtil* GetFileUtil(
+      FileSystemType type,
+      const FileSystemContext* context) = 0;
 
   // Returns the specialized AsyncFileUtil for this mount point.
-  virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) = 0;
+  virtual AsyncFileUtil* GetAsyncFileUtil(
+      FileSystemType type,
+      const FileSystemContext* context) = 0;
 
   // Returns the specialized CopyOrMoveFileValidatorFactory for this mount
   // point and |type|.  If |error_code| is PLATFORM_FILE_OK and the result
   // is NULL, then no validator is required.
   virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory(
       FileSystemType type, base::PlatformFileError* error_code) = 0;
 
   // Returns a new instance of the specialized FileSystemOperation for this
   // mount point based on the given triplet of |origin_url|, |file_system_type|
   // and |virtual_path|. On failure to create a file system operation, set
@@ skipping 57 matching lines @@
         const std::string& extension_id) = 0;
   // Gets virtual path by known filesystem path. Returns false when filesystem
   // path is not exposed by this provider.
   virtual bool GetVirtualPath(const base::FilePath& file_system_path,
                               base::FilePath* virtual_path) = 0;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_