Use UUID for ServiceWorker Client identifier (2/3, chromium)

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 16 matching lines @@
 
 namespace content {
 
 class ResourceRequestBody;
 class ServiceWorkerContextCore;
 class ServiceWorkerDispatcherHost;
 class ServiceWorkerRequestHandler;
 class ServiceWorkerVersion;
 
 // This class is the browser-process representation of a service worker
-// provider. There is a provider per document and the lifetime of this
-// object is tied to the lifetime of its document in the renderer process.
+// provider. There is a provider per document or a worker and the lifetime
+// of this object is tied to the lifetime of its document or the worker
+// in the renderer process.
 // This class holds service worker state that is scoped to an individual
-// document.
+// document or a worker.
 //
 // Note this class can also host a running service worker, in which
 // case it will observe resource loads made directly by the service worker.
 class CONTENT_EXPORT ServiceWorkerProviderHost
     : public NON_EXPORTED_BASE(ServiceWorkerRegistration::Listener),
       public base::SupportsWeakPtr<ServiceWorkerProviderHost> {
  public:
   using GetClientInfoCallback =
       base::Callback<void(const ServiceWorkerClientInfo&)>;
 
   // If |render_frame_id| is MSG_ROUTING_NONE, this provider host works for the
   // worker context, i.e. ServiceWorker or SharedWorker.
   // |provider_type| gives additional information whether the provider is
   // created for controller (ServiceWorker) or controllee (Document or
   // SharedWorker).
   ServiceWorkerProviderHost(int render_process_id,
                             int render_frame_id,
                             int provider_id,
                             ServiceWorkerProviderType provider_type,
                             base::WeakPtr<ServiceWorkerContextCore> context,
                             ServiceWorkerDispatcherHost* dispatcher_host);
   virtual ~ServiceWorkerProviderHost();
 
+  const std::string& client_uuid() const { return client_uuid_; }
   int process_id() const { return render_process_id_; }
   int provider_id() const { return provider_id_; }
   int frame_id() const { return render_frame_id_; }
 
   bool IsHostToRunningServiceWorker() {
     return running_hosted_version_.get() != NULL;
   }
 
   ServiceWorkerVersion* controlling_version() const {
     return controlling_version_.get();
@@ skipping 141 matching lines @@
 
   void SendAssociateRegistrationMessage();
 
   // Increase/decrease this host's process reference for |pattern|.
   void IncreaseProcessReference(const GURL& pattern);
   void DecreaseProcessReference(const GURL& pattern);
 
   bool IsReadyToSendMessages() const;
   void Send(IPC::Message* message) const;
 
+  std::string client_uuid_;
   int render_process_id_;
   int render_frame_id_;
   int render_thread_id_;
   int provider_id_;
   ServiceWorkerProviderType provider_type_;
   GURL document_url_;
   GURL topmost_frame_url_;
 
   std::vector<GURL> associated_patterns_;
   scoped_refptr<ServiceWorkerRegistration> associated_registration_;
 
   scoped_refptr<ServiceWorkerVersion> controlling_version_;
   scoped_refptr<ServiceWorkerVersion> running_hosted_version_;
   base::WeakPtr<ServiceWorkerContextCore> context_;
   ServiceWorkerDispatcherHost* dispatcher_host_;
   bool allow_association_;
   bool is_claiming_;
 
   std::vector<base::Closure> queued_events_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_