Shutdown Service Workers before the profile is destroyed

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 edfef4232d265172371d483dfcc88d9825d814fc..2a3bae1db3b153b102d5003c826c44990ab6f936 100644
--- a/content/browser/service_worker/service_worker_process_manager.h
+++ b/content/browser/service_worker/service_worker_process_manager.h
@@ -34,8 +34,8 @@ class CONTENT_EXPORT ServiceWorkerProcessManager {
   // Shutdown must be called before the ProcessManager is destroyed.
   ~ServiceWorkerProcessManager();
 
-  // Synchronously prevents new processes from being allocated.
-  // TODO(jyasskin): Drop references to RenderProcessHosts too.
+  // Synchronously prevents new processes from being allocated
+  // and drops references to RenderProcessHosts.
   void Shutdown();
 
   // Returns a reference to a running process suitable for starting the Service