Add WorkerScriptLoaded message to support attaching DevTools while starting ServiceWorker.

content/browser/service_worker/embedded_worker_registry.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_EMBEDDED_WORKER_REGISTRY_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 46 matching lines @@
                    const GURL& script_url,
                    const StatusCallback& callback);
   ServiceWorkerStatusCode StopWorker(int process_id,
                                      int embedded_worker_id);
 
   // Stop all active workers, even if they're handling events.
   void Shutdown();
 
   // Called back from EmbeddedWorker in the child process, relayed via
   // ServiceWorkerDispatcherHost.
+  void OnWorkerScriptLoaded(int process_id, int embedded_worker_id);
+  void OnWorkerScriptLoadFailed(int process_id, int embedded_worker_id);
   void OnWorkerStarted(int process_id, int thread_id, int embedded_worker_id);
   void OnWorkerStopped(int process_id, 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,
                               int source_identifier,
                               int message_level,
@@ skipping 40 matching lines @@
   std::map<int, std::set<int> > worker_process_map_;
 
   int next_embedded_worker_id_;
 
   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerRegistry);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_EMBEDDED_WORKER_REGISTRY_H_