Wire provider_id into scriptable API provider to start listening events

content/child/service_worker/service_worker_dispatcher.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_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 
+#include <map>
+
 #include "base/id_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "content/child/worker_task_runner.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerError.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerProvider.h"
 
 class GURL;
 
 namespace blink {
@@ skipping 13 matching lines @@
 // registration of the service worker, exposed to renderer and worker
 // scripts through methods like navigator.registerServiceWorker().
 class ServiceWorkerDispatcher : public WorkerTaskRunner::Observer {
  public:
   explicit ServiceWorkerDispatcher(ThreadSafeSender* thread_safe_sender);
   virtual ~ServiceWorkerDispatcher();
 
   void OnMessageReceived(const IPC::Message& msg);
   bool Send(IPC::Message* msg);
 
-  // Corresponds to navigator.registerServiceWorker()
+  // Corresponds to navigator.serviceWorker.register()
   void RegisterServiceWorker(
       const GURL& pattern,
       const GURL& script_url,
       blink::WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks);
-  // Corresponds to navigator.unregisterServiceWorker()
+  // Corresponds to navigator.serviceWorker.unregister()
   void UnregisterServiceWorker(
       const GURL& pattern,
       blink::WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks);
 
+  // Called when navigator.serviceWorker is instantiated or detached
+  // for a document whose provider can be identified by |provider_id|.
+  void AddScriptClient(int provider_id,
+                       blink::WebServiceWorkerProviderClient* client);
+  void RemoveScriptClient(int provider_id);
+
   // |thread_safe_sender| needs to be passed in because if the call leads to
   // construction it will be needed.
   static ServiceWorkerDispatcher* ThreadSpecificInstance(
       ThreadSafeSender* thread_safe_sender);
 
  private:
+  typedef std::map<int, blink::WebServiceWorkerProviderClient*> ScriptClientMap;
+
   // WorkerTaskRunner::Observer implementation.
   virtual void OnWorkerRunLoopStopped() OVERRIDE;
 
   // The asynchronous success response to RegisterServiceWorker.
   void OnRegistered(int32 thread_id, int32 request_id, int64 registration_id);
   // The asynchronous success response to UregisterServiceWorker.
   void OnUnregistered(int32 thread_id,
                       int32 request_id);
   void OnRegistrationError(int32 thread_id,
                            int32 request_id,
                            blink::WebServiceWorkerError::ErrorType error_type,
                            const base::string16& message);
 
   IDMap<blink::WebServiceWorkerProvider::WebServiceWorkerCallbacks,
         IDMapOwnPointer> pending_callbacks_;
+  ScriptClientMap script_clients_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_