Add FileSystemID parameter to IsolatedContext::RegisterFileSystemForPath.

webkit/browser/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_BROWSER_FILEAPI_MOUNT_POINTS_H_
 #define WEBKIT_BROWSER_FILEAPI_MOUNT_POINTS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 69 matching lines @@
   // valid registered filesystem ID or mount name for an existing mount point.
   //
   // 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,
+                                std::string* cracked_id,
                                 base::FilePath* path,
                                 FileSystemMountOption* mount_option) 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_BROWSER_FILEAPI_MOUNT_POINTS_H_