Add @webref/idl dependency

Signed-off-by: Victor Porof <victorporof@chromium.org>
Bug: 1325812
Change-Id: I044170880d20ce0402062755787cccafd63c6a42
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3695370
Reviewed-by: Mathias Bynens <mathias@chromium.org>
diff --git a/node_modules/@webref/idl/permissions-request.idl b/node_modules/@webref/idl/permissions-request.idl
new file mode 100644
index 0000000..e189194
--- /dev/null
+++ b/node_modules/@webref/idl/permissions-request.idl
@@ -0,0 +1,8 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: Requesting Permissions (https://wicg.github.io/permissions-request/)
+
+partial interface Permissions {
+  Promise<PermissionStatus> request(object permissionDesc);
+};