Allow Blink to respond asynchronously to SW Push events (side 3/3)

content/renderer/service_worker/service_worker_script_context.h

Index: content/renderer/service_worker/service_worker_script_context.h
diff --git a/content/renderer/service_worker/service_worker_script_context.h b/content/renderer/service_worker/service_worker_script_context.h
index f98250d04b1c07fd3a5e9ef8ed70955b0f0b3e76..f1df3a1f2b729995c32c639148830966be5f588a 100644
--- a/content/renderer/service_worker/service_worker_script_context.h
+++ b/content/renderer/service_worker/service_worker_script_context.h
@@ -55,6 +55,8 @@ class ServiceWorkerScriptContext {
   void DidHandleFetchEvent(int request_id,
                            ServiceWorkerFetchEventResult result,
                            const ServiceWorkerResponse& response);
+  void DidHandlePushEvent(int request_id,
+                          blink::WebServiceWorkerEventResult result);
   void DidHandleSyncEvent(int request_id);
   void GetClientDocuments(
       blink::WebServiceWorkerClientsCallbacks* callbacks);