Add WorkerScriptLoaded message to support attaching DevTools while starting ServiceWorker.

content/browser/service_worker/service_worker_dispatcher_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_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
@@ skipping 52 matching lines @@
                                const GURL& script_url);
   void OnUnregisterServiceWorker(int thread_id,
                                  int request_id,
                                  int provider_id,
                                  const GURL& pattern);
   void OnProviderCreated(int provider_id);
   void OnProviderDestroyed(int provider_id);
   void OnAddScriptClient(int thread_id, int provider_id);
   void OnRemoveScriptClient(int thread_id, int provider_id);
   void OnSetHostedVersionId(int provider_id, int64 version_id);
+  void OnWorkerScriptLoaded(int embedded_worker_id);
+  void OnWorkerScriptLoadFailed(int embedded_worker_id);
   void OnWorkerStarted(int thread_id,
                        int embedded_worker_id);
   void OnWorkerStopped(int embedded_worker_id);
   void OnReportException(int embedded_worker_id,
                          const base::string16& error_message,
                          int line_number,
                          int column_number,
                          const GURL& source_url);
   void OnReportConsoleMessage(
       int embedded_worker_id,
@@ skipping 26 matching lines @@
 
   bool channel_ready_;  // True after BrowserMessageFilter::channel_ != NULL.
   ScopedVector<IPC::Message> pending_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_