Wire provider_id into scriptable API provider to start listening events

content/child/service_worker/service_worker_dispatcher.cc

 // 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.
 
 #include "content/child/service_worker/service_worker_dispatcher.h"
 
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
 #include "content/child/service_worker/web_service_worker_impl.h"
 #include "content/child/thread_safe_sender.h"
@@ skipping 59 matching lines @@
 
 void ServiceWorkerDispatcher::UnregisterServiceWorker(
     const GURL& pattern,
     WebServiceWorkerProvider::WebServiceWorkerCallbacks* callbacks) {
   DCHECK(callbacks);
   int request_id = pending_callbacks_.Add(callbacks);
   thread_safe_sender_->Send(new ServiceWorkerHostMsg_UnregisterServiceWorker(
       CurrentWorkerId(), request_id, pattern));
 }
 
+void ServiceWorkerDispatcher::AddScriptClient(
+    int provider_id,
+    blink::WebServiceWorkerProviderClient* client) {
+  DCHECK(client);
+  DCHECK(!ContainsKey(script_clients_, provider_id));
+  script_clients_[provider_id] = client;
+  thread_safe_sender_->Send(new ServiceWorkerHostMsg_AddScriptClient(
+      CurrentWorkerId(), provider_id));
+}
+
+void ServiceWorkerDispatcher::RemoveScriptClient(int provider_id) {
+  // This could be possibly called multiple times to ensure termination.
+  if (ContainsKey(script_clients_, provider_id)) {
+    script_clients_.erase(provider_id);
+    thread_safe_sender_->Send(new ServiceWorkerHostMsg_RemoveScriptClient(
+        CurrentWorkerId(), provider_id));
+  }
+}
+
 ServiceWorkerDispatcher* ServiceWorkerDispatcher::ThreadSpecificInstance(
     ThreadSafeSender* thread_safe_sender) {
   if (g_dispatcher_tls.Pointer()->Get() == kHasBeenDeleted) {
     NOTREACHED() << "Re-instantiating TLS ServiceWorkerDispatcher.";
     g_dispatcher_tls.Pointer()->Set(NULL);
   }
   if (g_dispatcher_tls.Pointer()->Get())
     return g_dispatcher_tls.Pointer()->Get();
 
   ServiceWorkerDispatcher* dispatcher =
@@ skipping 50 matching lines @@
 
   scoped_ptr<WebServiceWorkerError>  error(
       new WebServiceWorkerError(error_type, message));
   callbacks->onError(error.release());
   pending_callbacks_.Remove(request_id);
 }
 
 void ServiceWorkerDispatcher::OnWorkerRunLoopStopped() { delete this; }
 
 }  // namespace content