Only use SiteInstance process reuse for ServiceWorker with no failures

content/browser/service_worker/service_worker_process_manager.h

Index: content/browser/service_worker/service_worker_process_manager.h
diff --git a/content/browser/service_worker/service_worker_process_manager.h b/content/browser/service_worker/service_worker_process_manager.h
index da8443f9fe6a7373a1f2ba1ebc616f87923605ea..f9dc72764df0f3b6fb51899efb765d7d31e06bdb 100644
--- a/content/browser/service_worker/service_worker_process_manager.h
+++ b/content/browser/service_worker/service_worker_process_manager.h
@@ -91,6 +91,10 @@ class CONTENT_EXPORT ServiceWorkerProcessManager {
                            FindAvailableProcess);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProcessManagerTest,
                            AllocateWorkerProcess_FindAvailableProcess);
+  FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProcessManagerTest,
+                           AllocateWorkerProcess_WithProcessReuse);
+  FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProcessManagerTest,
+                           AllocateWorkerProcess_WithoutProcessReuse);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProcessManagerTest,
                            AllocateWorkerProcess_InShutdown);