Add oem mount point to cros_mount_provider.

webkit/fileapi/file_system_mount_point_provider.h

Index: webkit/fileapi/file_system_mount_point_provider.h
diff --git a/webkit/fileapi/file_system_mount_point_provider.h b/webkit/fileapi/file_system_mount_point_provider.h
index 1ee7ab467ef0fc0ba4adec306f30b1c602c68d07..c36a602e81c182f55e242899d807c295300acd33 100644
--- a/webkit/fileapi/file_system_mount_point_provider.h
+++ b/webkit/fileapi/file_system_mount_point_provider.h
@@ -140,6 +140,9 @@ class ExternalFileSystemMountPointProvider
   virtual bool HasMountPoint(const FilePath& mount_point) = 0;
   // Adds a new local mount point.
   virtual void AddLocalMountPoint(const FilePath& mount_point) = 0;
+  // Adds a new local mount point that will be accessible only by extensions
+  // that have been granted full acess for all external file systems.
+  virtual void AddRestrictedLocalMountPoint(const FilePath& mount_point) = 0;
   // Adds a new remote mount point.
   virtual void AddRemoteMountPoint(
       const FilePath& mount_point,