mandoline: Fork the files service from the mojo repository.

components/filesystem/public/interfaces/files.mojom

Index: components/filesystem/public/interfaces/files.mojom
diff --git a/components/filesystem/public/interfaces/files.mojom b/components/filesystem/public/interfaces/files.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..19f1bc355cd5d84ea4ab7d7e14c15d9fdff3610f
--- /dev/null
+++ b/components/filesystem/public/interfaces/files.mojom
@@ -0,0 +1,14 @@
+// Copyright 2015 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.
+
+module mojo.files;
+
+import "components/filesystem/public/interfaces/directory.mojom";
+import "components/filesystem/public/interfaces/types.mojom";
+
+interface Files {
+  // Opens the root directory for the file system with the given name; null
+  // yields the default file system, if any.
+  OpenFileSystem(string? file_system, Directory& directory) => (Error error);
+};