Create ServiceWorkerProviderHost before starting worker

content/browser/service_worker/service_worker_registration_handle.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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_HANDLE_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_HANDLE_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_version.h"
+#include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_types.h"
 
 namespace content {
 
 class ServiceWorkerContextCore;
 class ServiceWorkerVersion;
 
 // Roughly corresponds to one WebServiceWorkerRegistration object in the
 // renderer process.
 //
 // The renderer process maintains the reference count by owning a
 // ServiceWorkerRegistrationHandleReference for each reference it has to the
 // registration object. ServiceWorkerRegistrationHandleReference creation and
 // destruction sends an IPC to the browser process, which adjusts the
 // ServiceWorkerRegistrationHandle refcount.
 //
 // Has a reference to the corresponding ServiceWorkerRegistration in order to
 // ensure that the registration is alive while this handle is around.
-class ServiceWorkerRegistrationHandle
+class CONTENT_EXPORT ServiceWorkerRegistrationHandle
     : public ServiceWorkerRegistration::Listener {
  public:
-  CONTENT_EXPORT ServiceWorkerRegistrationHandle(
+  ServiceWorkerRegistrationHandle(
       base::WeakPtr<ServiceWorkerContextCore> context,
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
       ServiceWorkerRegistration* registration);
   virtual ~ServiceWorkerRegistrationHandle();
 
   ServiceWorkerRegistrationObjectInfo GetObjectInfo();
 
   bool HasNoRefCount() const { return ref_count_ <= 0; }
   void IncrementRefCount();
   void DecrementRefCount();
@@ skipping 28 matching lines @@
 
   // This handle is the primary owner of this registration.
   scoped_refptr<ServiceWorkerRegistration> registration_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegistrationHandle);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_HANDLE_H_