1 files changed, 7 insertions, 4 deletions
diff --git a/dom/workers/WorkerThread.h b/dom/workers/WorkerThread.h
index 06624f60c1..8da085b51b 100644
--- a/dom/workers/WorkerThread.h
+++ b/dom/workers/WorkerThread.h
@@ -25,9 +25,6 @@ namespace dom {
 
 class WorkerRunnable;
 class WorkerPrivate;
-template <class>
-class WorkerPrivateParent;
-
 namespace workerinternals {
 class RuntimeService;
 }
@@ -38,7 +35,6 @@ class RuntimeService;
 class WorkerThreadFriendKey {
   friend class workerinternals::RuntimeService;
   friend class WorkerPrivate;
-  friend class WorkerPrivateParent<WorkerPrivate>;
 
   WorkerThreadFriendKey();
   ~WorkerThreadFriendKey();
@@ -76,6 +72,13 @@ class WorkerThread final : public nsThread {
   void SetWorker(const WorkerThreadFriendKey& aKey,
                  WorkerPrivate* aWorkerPrivate);
 
+  // This method is used to decouple the connection with the WorkerPrivate which
+  // is set in SetWorker(). And it also clears all pending runnables on this
+  // WorkerThread.
+  // After decoupling, WorkerThreadRunnable can not run on this WorkerThread
+  // anymore, since WorkerPrivate is invalid.
+  void ClearEventQueueAndWorker(const WorkerThreadFriendKey& aKey);
+
   nsresult DispatchPrimaryRunnable(const WorkerThreadFriendKey& aKey,
                                    already_AddRefed<nsIRunnable> aRunnable);