1 files changed, 8 insertions, 0 deletions
diff --git a/dom/fetch/FetchDriver.h b/dom/fetch/FetchDriver.h
index de01c2a6be..36dd5fb3dd 100644
--- a/dom/fetch/FetchDriver.h
+++ b/dom/fetch/FetchDriver.h
@@ -145,6 +145,10 @@ class FetchDriver final : public nsIChannelEventSink,
     mAssociatedBrowsingContextID = aID;
   }
 
+  void SetIsThirdPartyWorker(const Maybe<bool> aIsThirdPartyWorker) {
+    mIsThirdPartyWorker = aIsThirdPartyWorker;
+  }
+
  private:
   nsCOMPtr<nsIPrincipal> mPrincipal;
   nsCOMPtr<nsILoadGroup> mLoadGroup;
@@ -179,6 +183,10 @@ class FetchDriver final : public nsIChannelEventSink,
 
   bool mIsTrackingFetch;
 
+  // Indicates whether the fetch request is from a third-party worker. Nothing
+  // if the fetch request is not from a worker.
+  Maybe<bool> mIsThirdPartyWorker;
+
   RefPtr<AlternativeDataStreamListener> mAltDataListener;
   bool mOnStopRequestCalled;