Implement notificationclose event

content/browser/service_worker/service_worker_version.h

Index: content/browser/service_worker/service_worker_version.h
diff --git a/content/browser/service_worker/service_worker_version.h b/content/browser/service_worker/service_worker_version.h
index f8619b77efc6df230e3cd51c3b55c1a823052657..36238acf220f0257c33c7d23a9d9c682a2834b77 100644
--- a/content/browser/service_worker/service_worker_version.h
+++ b/content/browser/service_worker/service_worker_version.h
@@ -273,6 +273,16 @@ class CONTENT_EXPORT ServiceWorkerVersion
       const PlatformNotificationData& notification_data,
       int action_index);
 
+  // Sends notificationclose event to the associated embedded worker and
+  // asynchronously calls |callback| when it errors out or it gets a response
+  // from the worker to notify completion.
+  //
+  // This must be called when the status() is ACTIVATED.
+  void DispatchNotificationCloseEvent(
+      const StatusCallback& callback,
+      int64_t persistent_notification_id,
+      const PlatformNotificationData& notification_data);
+
   // Sends push event to the associated embedded worker and asynchronously calls
   // |callback| when it errors out or it gets a response from the worker to
   // notify completion.
@@ -409,6 +419,7 @@ class CONTENT_EXPORT ServiceWorkerVersion
     REQUEST_INSTALL,
     REQUEST_FETCH,
     REQUEST_NOTIFICATION_CLICK,
+    REQUEST_NOTIFICATION_CLOSE,
     REQUEST_PUSH,
     REQUEST_CUSTOM,
     NUM_REQUEST_TYPES
@@ -574,6 +585,7 @@ class CONTENT_EXPORT ServiceWorkerVersion
   void OnPushEventFinished(int request_id,
                            blink::WebServiceWorkerEventResult result);
   void OnOpenWindow(int request_id, GURL url);
+  void OnNotificationCloseEventFinished(int request_id);
   void OnOpenWindowFinished(int request_id,
                             ServiceWorkerStatusCode status,
                             const std::string& client_uuid,
@@ -701,6 +713,8 @@ class CONTENT_EXPORT ServiceWorkerVersion
   IDMap<PendingRequest<FetchCallback>, IDMapOwnPointer> fetch_requests_;
   IDMap<PendingRequest<StatusCallback>, IDMapOwnPointer>
       notification_click_requests_;
+  IDMap<PendingRequest<StatusCallback>, IDMapOwnPointer>
+      notification_close_requests_;
   IDMap<PendingRequest<StatusCallback>, IDMapOwnPointer> push_requests_;
   IDMap<PendingRequest<StatusCallback>, IDMapOwnPointer> custom_requests_;