Service Worker event dispatcher for Background Fetch

third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h

Index: third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
diff --git a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
index 8fbd8d071fff13e0ceb9bfb8fa38ae08f938c263..d4d5a08ca46e64ace62122f2d4b01df051a12f40 100644
--- a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
+++ b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
@@ -58,6 +58,16 @@ class WebServiceWorkerContextProxy {
       std::unique_ptr<WebServiceWorkerRegistration::Handle>) = 0;
 
   virtual void dispatchActivateEvent(int eventID) = 0;
+
+  enum class BackgroundFetchState { Pending, Succeeded, Failed };
+
+  virtual void dispatchBackgroundFetchAbortEvent(int eventID,
+                                                 const WebString& tag) = 0;
+  virtual void dispatchBackgroundFetchClickEvent(
+      int eventID,
+      const WebString& tag,
+      BackgroundFetchState status) = 0;
+
   virtual void dispatchExtendableMessageEvent(
       int eventID,
       const WebString& message,