Wire provider_id into scriptable API provider to start listening events

content/child/service_worker/service_worker_dispatcher.h

Index: content/child/service_worker/service_worker_dispatcher.h
diff --git a/content/child/service_worker/service_worker_dispatcher.h b/content/child/service_worker/service_worker_dispatcher.h
index a3a1abce6e1c9d8b4117ef0b76e4987f073507c2..a0633e8adbe49678772069f104bc33c7112009bc 100644
--- a/content/child/service_worker/service_worker_dispatcher.h
+++ b/content/child/service_worker/service_worker_dispatcher.h
@@ -38,16 +38,24 @@ class ServiceWorkerDispatcher : public WorkerTaskRunner::Observer {
   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,
+  // when null client is given). This dispatcher is created one per thread
+  // and client is also expected to be added at most one per thread (in the
+  // current implementation).
+  void SetScriptClient(
+      int provider_id,
+      blink::WebServiceWorkerProviderClient* client);
+
   // |thread_safe_sender| needs to be passed in because if the call leads to
   // construction it will be needed.
   static ServiceWorkerDispatcher* ThreadSpecificInstance(
@@ -71,6 +79,7 @@ class ServiceWorkerDispatcher : public WorkerTaskRunner::Observer {
         IDMapOwnPointer> pending_callbacks_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
+  blink::WebServiceWorkerProviderClient* client_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcher);
 };