ServiceWorker: Add a function to abort all pending jobs in SWJobCoordinator

content/browser/service_worker/service_worker_job_coordinator.h

Index: content/browser/service_worker/service_worker_job_coordinator.h
diff --git a/content/browser/service_worker/service_worker_job_coordinator.h b/content/browser/service_worker/service_worker_job_coordinator.h
index 4817a52fcbaabd7e61953dba04ef0985f4b35f4b..1a3dc1a5966e048ae80b85a0a5983ca3bee1ad0b 100644
--- a/content/browser/service_worker/service_worker_job_coordinator.h
+++ b/content/browser/service_worker/service_worker_job_coordinator.h
@@ -35,6 +35,8 @@ class CONTENT_EXPORT ServiceWorkerJobCoordinator {
       const GURL& pattern,
       const ServiceWorkerUnregisterJob::UnregistrationCallback& callback);
 
+  void AbortAll();
+
   // Jobs are removed whenever they are finished or canceled.
   void FinishJob(const GURL& pattern, ServiceWorkerRegisterJobBase* job);
 
@@ -55,6 +57,9 @@ class CONTENT_EXPORT ServiceWorkerJobCoordinator {
 
     bool empty() { return jobs_.empty(); }
 
+    // Aborts all jobs in the queue and removes them.
+    void AbortAll();
+
     // Marks that the browser is shutting down, so jobs may be destroyed before
     // finishing.
     void ClearForShutdown();