Enable cross-filesystem moves and copies.

webkit/fileapi/obfuscated_file_system_file_util.h

 // Copyright (c) 2011 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_OBFUSCATED_FILE_SYSTEM_FILE_UTIL_H_
 #define WEBKIT_FILEAPI_OBFUSCATED_FILE_SYSTEM_FILE_UTIL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 72 matching lines @@
       const FilePath& file_path,
       bool exclusive,
       bool recursive) OVERRIDE;
 
   virtual base::PlatformFileError CopyOrMoveFile(
       FileSystemOperationContext* context,
       const FilePath& src_file_path,
       const FilePath& dest_file_path,
       bool copy) OVERRIDE;
 
+  virtual PlatformFileError CopyInForeignFile(
+        FileSystemOperationContext* context,
+        const FilePath& src_file_path,
+        const FilePath& dest_file_path) OVERRIDE;
+
   virtual base::PlatformFileError DeleteFile(
       FileSystemOperationContext* context,
       const FilePath& file_path) OVERRIDE;
 
   virtual base::PlatformFileError DeleteSingleDirectory(
       FileSystemOperationContext* context,
       const FilePath& file_path) OVERRIDE;
 
   virtual base::PlatformFileError Touch(
       FileSystemOperationContext* context,
@@ skipping 117 matching lines @@
   scoped_ptr<FileSystemOriginDatabase> origin_database_;
   FilePath file_system_directory_;
   base::OneShotTimer<ObfuscatedFileSystemFileUtil> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(ObfuscatedFileSystemFileUtil);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_OBFUSCATED_FILE_SYSTEM_FILE_UTIL_H_