Set the "waiting" Service Worker of Service Worker providers

content/child/service_worker/service_worker_provider_context.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_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 22 matching lines @@
 // this needs to be RefCountedThreadSafe and .current info needs to be
 // handled in a thread-safe manner (e.g. by a lock etc).
 class ServiceWorkerProviderContext
     : public base::RefCounted<ServiceWorkerProviderContext> {
  public:
   explicit ServiceWorkerProviderContext(int provider_id);
 
   // Called from ServiceWorkerDispatcher.
   void OnServiceWorkerStateChanged(int handle_id,
                                    blink::WebServiceWorkerState state);
+  void OnSetWaitingServiceWorker(int provider_id,
+                                 const ServiceWorkerObjectInfo& info);
   void OnSetCurrentServiceWorker(int provider_id,
                                  const ServiceWorkerObjectInfo& info);
 
   int provider_id() const { return provider_id_; }
 
+  ServiceWorkerHandleReference* waiting();
   // Gets the context's handle reference for .controller.
   // TODO(dominicc): Rename this to "controller".
   ServiceWorkerHandleReference* current();
 
   // Gets the handle ID of the controller, or
   // kInvalidServiceWorkerHandleId if the provider is not controlled
   // by a Service Worker.
   int current_handle_id() const;
 
+  // Gets the handle ID of the waiting Service Worker, or
+  // kInvalidServiceWorkerHandleId if the provider does not have a
+  // waiting Service Worker.
+  int waiting_handle_id() const;
+
  private:
   friend class base::RefCounted<ServiceWorkerProviderContext>;
   ~ServiceWorkerProviderContext();
 
   const int provider_id_;
   scoped_refptr<base::MessageLoopProxy> main_thread_loop_proxy_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
+  scoped_ptr<ServiceWorkerHandleReference> waiting_;
   scoped_ptr<ServiceWorkerHandleReference> current_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_