[Background Sync] Use Mojo IPC to fire background sync events

content/renderer/service_worker/service_worker_context_client.h

 // Copyright 2014 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_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/common/service_worker/service_worker_types.h"
+#include "content/public/common/service_worker_event_status.mojom.h"
 #include "ipc/ipc_listener.h"
 #include "mojo/application/public/interfaces/service_provider.mojom.h"
 #include "third_party/WebKit/public/platform/WebGeofencingEventType.h"
 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerError.h"
 #include "third_party/WebKit/public/web/WebServiceWorkerContextClient.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 class TaskRunner;
@@ skipping 20 matching lines @@
 class ServiceWorkerProviderContext;
 class ServiceWorkerContextClient;
 class ThreadSafeSender;
 class WebServiceWorkerRegistrationImpl;
 
 // This class provides access to/from an ServiceWorker's WorkerGlobalScope.
 // Unless otherwise noted, all methods are called on the worker thread.
 class ServiceWorkerContextClient
     : public blink::WebServiceWorkerContextClient {
  public:
+  using SyncCallback = mojo::Callback<void(ServiceWorkerEventStatus)>;
+
   // Returns a thread-specific client instance.  This does NOT create a
   // new instance.
   static ServiceWorkerContextClient* ThreadSpecificInstance();
 
   // Called on the main thread.
   ServiceWorkerContextClient(int embedded_worker_id,
                              int64 service_worker_version_id,
                              const GURL& service_worker_scope,
                              const GURL& script_url,
                              int worker_devtools_agent_route_id);
@@ skipping 71 matching lines @@
       const blink::WebString& message,
       blink::WebMessagePortChannelArray* channels);
   virtual void focus(const blink::WebString& uuid,
                      blink::WebServiceWorkerClientCallbacks*);
   virtual void skipWaiting(
       blink::WebServiceWorkerSkipWaitingCallbacks* callbacks);
   virtual void claim(blink::WebServiceWorkerClientsClaimCallbacks* callbacks);
   virtual void stashMessagePort(blink::WebMessagePortChannel* channel,
                                 const blink::WebString& name);
 
+  virtual void DispatchSyncEvent(const SyncCallback& callback);
+
  private:
   struct WorkerContextData;
 
   // Get routing_id for sending message to the ServiceWorkerVersion
   // in the browser process.
   int GetRoutingID() const { return embedded_worker_id_; }
 
   void Send(IPC::Message* message);
   void SendWorkerStarted();
   void SetRegistrationInServiceWorkerGlobalScope();
 
   void OnActivateEvent(int request_id);
   void OnInstallEvent(int request_id);
   void OnFetchEvent(int request_id, const ServiceWorkerFetchRequest& request);
-  void OnSyncEvent(int request_id);
   void OnNotificationClickEvent(
       int request_id,
       int64_t persistent_notification_id,
       const PlatformNotificationData& notification_data);
   void OnPushEvent(int request_id, const std::string& data);
   void OnGeofencingEvent(int request_id,
                          blink::WebGeofencingEventType event_type,
                          const std::string& region_id,
                          const blink::WebCircularGeofencingRegion& region);
   void OnPostMessage(
@@ skipping 47 matching lines @@
   // Initialized on the worker thread in workerContextStarted and
   // destructed on the worker thread in willDestroyWorkerContext.
   scoped_ptr<WorkerContextData> context_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_