1 files changed, 21 insertions, 0 deletions
diff --git a/toolkit/components/telemetry/app/TelemetryControllerParent.sys.mjs b/toolkit/components/telemetry/app/TelemetryControllerParent.sys.mjs
index b9f8d5f85a..9a15142349 100644
--- a/toolkit/components/telemetry/app/TelemetryControllerParent.sys.mjs
+++ b/toolkit/components/telemetry/app/TelemetryControllerParent.sys.mjs
@@ -256,6 +256,15 @@ export var TelemetryController = Object.freeze({
   promiseInitialized() {
     return Impl.promiseInitialized();
   },
+
+  /**
+   * Allows to trigger TelemetryControllers delayed initialization now and waiting for its completion.
+   * The returned promise is guaranteed to resolve before TelemetryController is shutting down.
+   * @return {Promise} Resolved when delayed TelemetryController initialization completed.
+   */
+  ensureInitialized() {
+    return Impl.ensureInitialized();
+  },
 });
 
 var Impl = {
@@ -1158,6 +1167,18 @@ var Impl = {
     return this._delayedInitTaskDeferred.promise;
   },
 
+  /**
+   * Allows to trigger TelemetryControllers delayed initialization now and waiting for its completion.
+   * This will complete before TelemetryController is shutting down.
+   * @return {Promise} Resolved when delayed TelemetryController initialization completed.
+   */
+  ensureInitialized() {
+    if (this._delayedInitTask) {
+      return this._delayedInitTask.finalize();
+    }
+    return Promise.resolve();
+  },
+
   getCurrentPingData(aSubsession) {
     this._log.trace("getCurrentPingData - subsession: " + aSubsession);