ServiceWorker: Move worker candidate process knowledge to ServiceWorkerProcessManager.

content/browser/service_worker/service_worker_provider_host.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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 67 matching lines @@
 
   void SetDocumentUrl(const GURL& url);
   const GURL& document_url() const { return document_url_; }
 
   // Associates to |registration| to listen for its version change events.
   void AssociateRegistration(ServiceWorkerRegistration* registration);
 
   // Clears the associated registration and stop listening to it.
   void UnassociateRegistration();
 
+  // Associates to |registration| then this provider can provide running

[dominicc (has gone to gerrit), 2014/09/03 17:49:59]

This comment needs work.

[xiang, 2014/09/04 09:18:36]

Done.

+  // process for it. These registrations will be released in destructor.
+  void AssociatePendingRegistration(ServiceWorkerRegistration* registration);
+
   // Returns false if the version is not in the expected STARTING in our
   // process state. That would be indicative of a bad IPC message.
   bool SetHostedVersionId(int64 versions_id);
 
   // Returns a handler for a request, the handler may return NULL if
   // the request doesn't require special handling.
   scoped_ptr<ServiceWorkerRequestHandler> CreateRequestHandler(
       ResourceType resource_type,
       base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
       scoped_refptr<ResourceRequestBody> body);
@@ skipping 17 matching lines @@
                            UpdateAfter24Hours);
 
   // ServiceWorkerRegistration::Listener overrides.
   virtual void OnVersionAttributesChanged(
       ServiceWorkerRegistration* registration,
       ChangedVersionAttributesMask changed_mask,
       const ServiceWorkerRegistrationInfo& info) OVERRIDE;
   virtual void OnRegistrationFailed(
       ServiceWorkerRegistration* registration) OVERRIDE;
 
-  // Adds this provider host to the potential controllee list of the given
-  // versions and removes it from the previous versions.
-  void UpdatePotentialControllees(
-      ServiceWorkerVersion* installing_version,
-      ServiceWorkerVersion* waiting_version,
-      ServiceWorkerVersion* active_version);
-
   // Sets the controller version field to |version| or if |version| is NULL,
   // clears the field.
   void SetControllerVersionAttribute(ServiceWorkerVersion* version);
 
   // Creates a ServiceWorkerHandle to retain |version| and returns a
   // ServiceWorkerInfo with the handle ID to pass to the provider. The
   // provider is responsible for releasing the handle.
   ServiceWorkerObjectInfo CreateHandleAndPass(ServiceWorkerVersion* version);
 
+  // Increase/Decrease corresponding process reference for process manager.
+  void IncreaseProcessReference(ServiceWorkerRegistration* registration);
+  void DecreaseProcessReference(ServiceWorkerRegistration* registration);
+
   const int process_id_;
   const int provider_id_;
   GURL document_url_;
 
   scoped_refptr<ServiceWorkerRegistration> associated_registration_;
+  std::vector<scoped_refptr<ServiceWorkerRegistration> > pending_registrations_;

[michaeln, 2014/09/04 01:26:32]

can this be a collection of GURL patterns so this book keeping does not affect
the swregistration object lifetimes?

[xiang, 2014/09/04 09:18:36]

Done.

 
   scoped_refptr<ServiceWorkerVersion> controlling_version_;
   scoped_refptr<ServiceWorkerVersion> active_version_;
   scoped_refptr<ServiceWorkerVersion> waiting_version_;
   scoped_refptr<ServiceWorkerVersion> installing_version_;
   scoped_refptr<ServiceWorkerVersion> running_hosted_version_;
   base::WeakPtr<ServiceWorkerContextCore> context_;
   ServiceWorkerDispatcherHost* dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_