ServiceWorker: Send state change events via SWProviderHost

content/browser/service_worker/service_worker_provider_host.h

Index: content/browser/service_worker/service_worker_provider_host.h
diff --git a/content/browser/service_worker/service_worker_provider_host.h b/content/browser/service_worker/service_worker_provider_host.h
index 9123014273d400004148f897a6ed999799677d5b..03cb0c638d04a2e688e2a9d0843d0bac1efd9da2 100644
--- a/content/browser/service_worker/service_worker_provider_host.h
+++ b/content/browser/service_worker/service_worker_provider_host.h
@@ -115,6 +115,12 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
       base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
       scoped_refptr<ResourceRequestBody> body);
 
+  // Creates a ServiceWorkerHandle to retain |version| and returns a
+  // ServiceWorkerInfo with a newly created handle ID. The handle is held in
+  // the dispatcher host until its ref-count becomes zero.
+  ServiceWorkerObjectInfo CreateAndRegisterServiceWorkerHandle(
+      ServiceWorkerVersion* version);
+
   // Returns true if |registration| can be associated with this provider.
   bool CanAssociateRegistration(ServiceWorkerRegistration* registration);
 
@@ -155,6 +161,21 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
     return dispatcher_host_;
   }
 
+  // Called from ServiceWorkerRegistrationHandle.
+  void SendUpdateFoundMessage(
+      const ServiceWorkerRegistrationObjectInfo& object_info);
+  void SendSetVersionAttributesMessage(
+      int registration_handle_id,
+      ChangedVersionAttributesMask changed_mask,
+      ServiceWorkerVersion* installing_version,
+      ServiceWorkerVersion* waiting_version,
+      ServiceWorkerVersion* active_version);
+
+  // Called from ServiceWorkerHandle.
+  void SendServiceWorkerStateChangedMessage(
+      int worker_handle_id,
+      blink::WebServiceWorkerState state);
+
  private:
   friend class ServiceWorkerProviderHostTest;
   friend class ServiceWorkerWriteToCacheJobTest;