ServiceWorker: Introduce SWMessageSender in order to mock IPC messaging

content/child/service_worker/service_worker_provider_context.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_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 
 #include <set>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/synchronization/lock.h"
 #include "content/common/service_worker/service_worker_types.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace IPC {
 class Message;
 }
 
 namespace content {
 
 class ServiceWorkerHandleReference;
+class ServiceWorkerMessageSender;
 class ServiceWorkerRegistrationHandleReference;
 struct ServiceWorkerProviderContextDeleter;
-class ThreadSafeSender;
 
 // An instance of this class holds information related to Document/Worker.
 // Created and destructed on the main thread. Some functions can be called
 // on the worker thread (eg. GetVersionAttributes).
 class ServiceWorkerProviderContext
     : public base::RefCountedThreadSafe<ServiceWorkerProviderContext,
                                         ServiceWorkerProviderContextDeleter> {
  public:
   explicit ServiceWorkerProviderContext(int provider_id);
 
@@ skipping 44 matching lines @@
   friend class base::DeleteHelper<ServiceWorkerProviderContext>;
   friend class base::RefCountedThreadSafe<ServiceWorkerProviderContext,
                                           ServiceWorkerProviderContextDeleter>;
   friend struct ServiceWorkerProviderContextDeleter;
 
   ~ServiceWorkerProviderContext();
   void DestructOnMainThread() const;
 
   const int provider_id_;
   scoped_refptr<base::MessageLoopProxy> main_thread_loop_proxy_;
-  scoped_refptr<ThreadSafeSender> thread_safe_sender_;
+  scoped_refptr<ServiceWorkerMessageSender> sender_;
 
   // Protects (installing, waiting, active) worker and registration references.
   base::Lock lock_;
 
   // Used on both the main thread and the worker thread.
   scoped_ptr<ServiceWorkerHandleReference> installing_;
   scoped_ptr<ServiceWorkerHandleReference> waiting_;
   scoped_ptr<ServiceWorkerHandleReference> active_;
   scoped_ptr<ServiceWorkerRegistrationHandleReference> registration_;
 
   // Used only on the main thread.
   scoped_ptr<ServiceWorkerHandleReference> controller_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderContext);
 };
 
 struct ServiceWorkerProviderContextDeleter {
   static void Destruct(const ServiceWorkerProviderContext* context) {
     context->DestructOnMainThread();
   }
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_