Backed out changeset 89b76affef99 (bug 1883673) for causing multiple bc failures. CLOSED TREE

browser/components/asrouter/modules/ASRouterTargeting.sys.mjs

@@ -45,6 +45,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
   ClientEnvironment: "resource://normandy/lib/ClientEnvironment.sys.mjs",
   CustomizableUI: "resource:///modules/CustomizableUI.sys.mjs",
   HomePage: "resource:///modules/HomePage.sys.mjs",
+  NimbusFeatures: "resource://nimbus/ExperimentAPI.sys.mjs",
   ProfileAge: "resource://gre/modules/ProfileAge.sys.mjs",
   Region: "resource://gre/modules/Region.sys.mjs",
   TargetingContext: "resource://messaging-system/targeting/Targeting.sys.mjs",
@@ -877,6 +878,15 @@ const TargetingGetters = {
     return window?.matchMedia("(prefers-reduced-motion: reduce)")?.matches;
   },
 
+  /**
+   * Whether or not the user is in the Major Release 2022 holdback study.
+   */
+  get inMr2022Holdback() {
+    return (
+      lazy.NimbusFeatures.majorRelease2022.getVariable("onboarding") === false
+    );
+  },
+
   /**
    * The distribution id, if any.
    * @return {string}