ServiceWorker: Release a reference when it fails to dispatch ExtendableMessageEvent

content/browser/service_worker/service_worker_dispatcher_host.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 70 matching lines @@
   MessagePortMessageFilter* message_port_message_filter() {
     return message_port_message_filter_;
   }
 
  protected:
   ~ServiceWorkerDispatcherHost() override;
 
  private:
   friend class BrowserThread;
   friend class base::DeleteHelper<ServiceWorkerDispatcherHost>;
+  friend class ServiceWorkerDispatcherHostTest;
   friend class TestingServiceWorkerDispatcherHost;
 
+  using StatusCallback = base::Callback<void(ServiceWorkerStatusCode status)>;
+
   // IPC Message handlers
   void OnRegisterServiceWorker(int thread_id,
                                int request_id,
                                int provider_id,
                                const GURL& pattern,
                                const GURL& script_url);
   void OnUpdateServiceWorker(int thread_id,
                              int request_id,
                              int provider_id,
                              int64_t registration_id);
@@ skipping 44 matching lines @@
 
   // TODO(nhiroki): Remove this after ExtendableMessageEvent is enabled by
   // default (crbug.com/543198).
   void OnDeprecatedPostMessageToWorker(
       int handle_id,
       const base::string16& message,
       const std::vector<TransferredMessagePort>& sent_message_ports);
 
   void OnTerminateWorker(int handle_id);
 
-  template <typename SourceInfo>
   void DispatchExtendableMessageEvent(
       scoped_refptr<ServiceWorkerVersion> worker,
       const base::string16& message,
       const url::Origin& source_origin,
       const std::vector<TransferredMessagePort>& sent_message_ports,
+      ServiceWorkerProviderHost* sender_provider_host,
+      const StatusCallback& callback);
+  template <typename SourceInfo>
+  void DispatchExtendableMessageEventInternal(
+      scoped_refptr<ServiceWorkerVersion> worker,
+      const base::string16& message,
+      const url::Origin& source_origin,
+      const std::vector<TransferredMessagePort>& sent_message_ports,
+      const StatusCallback& callback,
       const SourceInfo& source_info);
   void DispatchExtendableMessageEventAfterStartWorker(
       scoped_refptr<ServiceWorkerVersion> worker,
       const base::string16& message,
       const url::Origin& source_origin,
       const std::vector<TransferredMessagePort>& sent_message_ports,
-      const ExtendableMessageEventSource& source);
+      const ExtendableMessageEventSource& source,
+      const StatusCallback& callback);
+  template <typename SourceInfo>
   void DidFailToDispatchExtendableMessageEvent(
       const std::vector<TransferredMessagePort>& sent_message_ports,
+      const SourceInfo& source_info,
+      const StatusCallback& callback,
       ServiceWorkerStatusCode status);
 
   ServiceWorkerRegistrationHandle* FindRegistrationHandle(
       int provider_id,
       int64_t registration_handle_id);
 
   void GetRegistrationObjectInfoAndVersionAttributes(
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
       ServiceWorkerRegistration* registration,
       ServiceWorkerRegistrationObjectInfo* info,
@@ skipping 49 matching lines @@
 
   bool channel_ready_;  // True after BrowserMessageFilter::sender_ != NULL.
   std::vector<scoped_ptr<IPC::Message>> pending_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_