ServiceWorker: Send state change events via SWProviderHost

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 "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 10 matching lines @@
 // Roughly Corresponds to one ServiceWorkerRegistration object in the renderer
 // process (WebServiceWorkerRegistrationImpl).
 // Has references to the corresponding ServiceWorkerRegistration and
 // ServiceWorkerVersions (therefore they're guaranteed to be alive while this
 // handle is around).
 class ServiceWorkerRegistrationHandle
     : public ServiceWorkerRegistration::Listener {
  public:
   CONTENT_EXPORT ServiceWorkerRegistrationHandle(
       base::WeakPtr<ServiceWorkerContextCore> context,
-      ServiceWorkerDispatcherHost* dispatcher_host,
-      int provider_id,
+      base::WeakPtr<ServiceWorkerProviderHost> provider_host,
       ServiceWorkerRegistration* registration);
   virtual ~ServiceWorkerRegistrationHandle();
 
   ServiceWorkerRegistrationObjectInfo GetObjectInfo();
 
   bool HasNoRefCount() const { return ref_count_ <= 0; }
   void IncrementRefCount();
   void DecrementRefCount();
 
   int provider_id() const { return provider_id_; }
@@ skipping 12 matching lines @@
 
   // Sets the corresponding version field to the given version or if the given
   // version is nullptr, clears the field.
   void SetVersionAttributes(
       ChangedVersionAttributesMask changed_mask,
       ServiceWorkerVersion* installing_version,
       ServiceWorkerVersion* waiting_version,
       ServiceWorkerVersion* active_version);
 
   base::WeakPtr<ServiceWorkerContextCore> context_;
-  ServiceWorkerDispatcherHost* dispatcher_host_;
+  base::WeakPtr<ServiceWorkerProviderHost> provider_host_;
   const int provider_id_;
   const int handle_id_;
   int ref_count_;  // Created with 1.
 
   scoped_refptr<ServiceWorkerRegistration> registration_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegistrationHandle);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_HANDLE_H_