1 files changed, 29 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/experiment-apis/aboutConfigPrefsChild.js b/browser/extensions/webcompat/experiment-apis/aboutConfigPrefsChild.js
new file mode 100644
index 0000000000..c063905c98
--- /dev/null
+++ b/browser/extensions/webcompat/experiment-apis/aboutConfigPrefsChild.js
@@ -0,0 +1,29 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* global ExtensionAPI, Services, XPCOMUtils */
+
+this.aboutConfigPrefs = class extends ExtensionAPI {
+  getAPI(context) {
+    const extensionIDBase = context.extension.id.split("@")[0];
+    const extensionPrefNameBase = `extensions.${extensionIDBase}.`;
+
+    return {
+      aboutConfigPrefs: {
+        getBoolPrefSync(prefName, defaultValue = false) {
+          try {
+            return Services.prefs.getBoolPref(
+              `${extensionPrefNameBase}${prefName}`,
+              defaultValue
+            );
+          } catch (_) {
+            return defaultValue;
+          }
+        },
+      },
+    };
+  }
+};