Launch packaged app with files on Drive on Chrome OS.

webkit/fileapi/mount_points.h

 // Copyright (c) 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 WEBKIT_FILEAPI_MOUNT_POINTS_H_
 #define WEBKIT_FILEAPI_MOUNT_POINTS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 70 matching lines @@
   // Returns false if the given virtual_path cannot be cracked.
   //
   // Note that |path| is set to empty paths if the filesystem type is isolated
   // and |virtual_path| has no <relative_path> part (i.e. pointing to the
   // virtual root).
   virtual bool CrackVirtualPath(const base::FilePath& virtual_path,
                                 std::string* mount_name,
                                 FileSystemType* type,
                                 base::FilePath* path) const = 0;
 
+ protected:
+  friend class FileSystemContext;
+
+  // Same as CrackURL and CreateCrackedFileSystemURL, but cracks the url already
+  // instantiated as the FileSystemURL class. This is internally used for nested
+  // URL cracking in FileSystemContext.
+  virtual FileSystemURL CrackFileSystemURL(const FileSystemURL& url) const = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(MountPoints);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_MOUNT_POINTS_H_