Populate .current when navigator.serviceWorker is accessed

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 "base/memory/ref_counted.h"
@@ skipping 24 matching lines @@
     : public base::SupportsWeakPtr<ServiceWorkerProviderHost> {
  public:
   ServiceWorkerProviderHost(int process_id,
                             int provider_id,
                             base::WeakPtr<ServiceWorkerContextCore> context,
                             ServiceWorkerDispatcherHost* dispatcher_host);
   ~ServiceWorkerProviderHost();
 
   int process_id() const { return process_id_; }
   int provider_id() const { return provider_id_; }
-  const std::set<int>& script_client_thread_ids() const {
-    return script_client_thread_ids_;
-  }
 
   bool IsHostToRunningServiceWorker() {
     return running_hosted_version_ != NULL;
   }
 
   // The service worker version that corresponds with
   // navigator.serviceWorker.active for our document.
   ServiceWorkerVersion* active_version() const {
     return active_version_.get();
   }
 
   // The service worker version that corresponds with
   // navigate.serviceWorker.pending for our document.
   ServiceWorkerVersion* pending_version() const {
     return pending_version_.get();
   }
 
   // The running version, if any, that this provider is providing resource
   // loads for.
   ServiceWorkerVersion* running_hosted_version() const {
     return running_hosted_version_.get();
   }
 
   void set_document_url(const GURL& url) { document_url_ = url; }
   const GURL& document_url() const { return document_url_; }
 
-  // Adds and removes script client thread ID, who is listening events
-  // dispatched from ServiceWorker to the document (and any of its dedicated
-  // workers) corresponding to this provider.
-  void AddScriptClient(int thread_id);
-  void RemoveScriptClient(int thread_id);
-
   // Associate |version| to this provider as its '.active' or '.pending'
   // version.
   // Giving NULL to this method will unset the corresponding field.
   void SetActiveVersion(ServiceWorkerVersion* version);
   void SetPendingVersion(ServiceWorkerVersion* version);
 
   // Returns false if the version is not in the expected STARTING in our
   // 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::Type resource_type);
 
  private:
   const int process_id_;
   const int provider_id_;
   GURL document_url_;
-  std::set<int> script_client_thread_ids_;
   scoped_refptr<ServiceWorkerVersion> active_version_;
   scoped_refptr<ServiceWorkerVersion> pending_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_