1 files changed, 20 insertions, 0 deletions
diff --git a/remote/cdp/test/browser/io/head.js b/remote/cdp/test/browser/io/head.js
new file mode 100644
index 0000000000..4c6a67178e
--- /dev/null
+++ b/remote/cdp/test/browser/io/head.js
@@ -0,0 +1,20 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/remote/cdp/test/browser/head.js",
+  this
+);
+
+const { streamRegistry } = ChromeUtils.importESModule(
+  "chrome://remote/content/cdp/domains/parent/IO.sys.mjs"
+);
+
+async function registerFileStream(contents, options) {
+  const stream = await createFileStream(contents, options);
+  const handle = streamRegistry.add(stream);
+
+  return { handle, stream };
+}