ServiceWorker: Introduce SWMessageSender in order to mock IPC messaging

content/child/service_worker/service_worker_dispatcher.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_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 10 matching lines @@
 namespace blink {
 class WebURL;
 }
 
 namespace IPC {
 class Message;
 }
 
 namespace content {
 
-class ServiceWorkerMessageFilter;
+class ServiceWorkerMessageSender;
 class ServiceWorkerProviderContext;
 class ThreadSafeSender;
 class WebServiceWorkerImpl;
 class WebServiceWorkerRegistrationImpl;
 struct ServiceWorkerObjectInfo;
 struct ServiceWorkerRegistrationObjectInfo;
 struct ServiceWorkerVersionAttributes;
 struct TransferredMessagePort;
 
 // This class manages communication with the browser process about
 // registration of the service worker, exposed to renderer and worker
 // scripts through methods like navigator.registerServiceWorker().
-class ServiceWorkerDispatcher : public WorkerTaskRunner::Observer {
+class CONTENT_EXPORT ServiceWorkerDispatcher
+    : public WorkerTaskRunner::Observer {
  public:
   typedef blink::WebServiceWorkerProvider::WebServiceWorkerRegistrationCallbacks
       WebServiceWorkerRegistrationCallbacks;
   typedef
       blink::WebServiceWorkerProvider::WebServiceWorkerUnregistrationCallbacks
       WebServiceWorkerUnregistrationCallbacks;
   typedef
       blink::WebServiceWorkerProvider::WebServiceWorkerGetRegistrationCallbacks
       WebServiceWorkerGetRegistrationCallbacks;
   typedef blink::WebServiceWorkerProvider::
       WebServiceWorkerGetRegistrationForReadyCallbacks
           WebServiceWorkerGetRegistrationForReadyCallbacks;
 
-  explicit ServiceWorkerDispatcher(ThreadSafeSender* thread_safe_sender);
+  explicit ServiceWorkerDispatcher(ServiceWorkerMessageSender* sender);
   ~ServiceWorkerDispatcher() override;
 
   void OnMessageReceived(const IPC::Message& msg);
-  bool Send(IPC::Message* msg);
 
   // Corresponds to navigator.serviceWorker.register()
   void RegisterServiceWorker(
       int provider_id,
       const GURL& pattern,
       const GURL& script_url,
       WebServiceWorkerRegistrationCallbacks* callbacks);
   // Corresponds to navigator.serviceWorker.unregister()
   void UnregisterServiceWorker(
       int provider_id,
@@ skipping 48 matching lines @@
       bool adopt_handle);
 
   // Creates a WebServiceWorkerRegistrationImpl for the specified registration
   // and transfers its ownership to the caller. If |adopt_handle| is true, a
   // ServiceWorkerRegistrationHandleReference will be adopted for the
   // registration.
   WebServiceWorkerRegistrationImpl* CreateServiceWorkerRegistration(
       const ServiceWorkerRegistrationObjectInfo& info,
       bool adopt_handle);
 
-  // |thread_safe_sender| needs to be passed in because if the call leads to
-  // construction it will be needed.
+  // |sender| needs to be passed in because if the call leads to construction
+  // it will be needed.
   static ServiceWorkerDispatcher* GetOrCreateThreadSpecificInstance(
-      ThreadSafeSender* thread_safe_sender);
+      ServiceWorkerMessageSender* sender);
 
   // Unlike GetOrCreateThreadSpecificInstance() this doesn't create a new
   // instance if thread-local instance doesn't exist.
   static ServiceWorkerDispatcher* GetThreadSpecificInstance();
 
  private:
   typedef IDMap<WebServiceWorkerRegistrationCallbacks,
       IDMapOwnPointer> RegistrationCallbackMap;
   typedef IDMap<WebServiceWorkerUnregistrationCallbacks,
       IDMapOwnPointer> UnregistrationCallbackMap;
   typedef IDMap<WebServiceWorkerGetRegistrationCallbacks,
       IDMapOwnPointer> GetRegistrationCallbackMap;
   typedef IDMap<WebServiceWorkerGetRegistrationForReadyCallbacks,
       IDMapOwnPointer> GetRegistrationForReadyCallbackMap;
 
   typedef std::map<int, blink::WebServiceWorkerProviderClient*>
       ProviderClientMap;
   typedef std::map<int, ServiceWorkerProviderContext*> ProviderContextMap;
   typedef std::map<int, ServiceWorkerProviderContext*> WorkerToProviderMap;
   typedef std::map<int, WebServiceWorkerImpl*> WorkerObjectMap;
   typedef std::map<int, WebServiceWorkerRegistrationImpl*>
       RegistrationObjectMap;
 
+  friend class ServiceWorkerDispatcherTest;
   friend class WebServiceWorkerImpl;
   friend class WebServiceWorkerRegistrationImpl;
 
   // WorkerTaskRunner::Observer implementation.
   void OnWorkerRunLoopStopped() override;
 
   void OnAssociateRegistrationWithServiceWorker(
       int thread_id,
       int provider_id,
       const ServiceWorkerRegistrationObjectInfo& info,
@@ skipping 77 matching lines @@
   ProviderClientMap provider_clients_;
   ProviderContextMap provider_contexts_;
 
   WorkerObjectMap service_workers_;
   RegistrationObjectMap registrations_;
 
   // A map for ServiceWorkers that are associated to a particular document
   // (e.g. as .current).
   WorkerToProviderMap worker_to_provider_;
 
-  scoped_refptr<ThreadSafeSender> thread_safe_sender_;
+  scoped_refptr<ServiceWorkerMessageSender> sender_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_