Report error messages to DevTools window.

content/browser/service_worker/service_worker_version.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_VERSION_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 260 matching lines @@
   void RemoveStreamingURLRequestJob(
       const ServiceWorkerURLRequestJob* request_job);
 
   // Adds and removes Listeners.
   void AddListener(Listener* listener);
   void RemoveListener(Listener* listener);
 
   ServiceWorkerScriptCacheMap* script_cache_map() { return &script_cache_map_; }
   EmbeddedWorkerInstance* embedded_worker() { return embedded_worker_.get(); }
 
+  // Report the registration failure to |listeners_|.
+  void ReportRegistrationFailure(ServiceWorkerStatusCode status,

[falken, 2015/03/26 03:56:29]

Maybe this should just be renamed something like ReportError? All it does is
call OnReportException.

[horo, 2015/03/26 06:10:28]

Done.

+                                 const std::string& status_message);
+
   // Dooms this version to have REDUNDANT status and its resources deleted.  If
   // the version is controlling a page, these changes will happen when the
   // version no longer controls any pages.
   void Doom();
   bool is_doomed() const { return is_doomed_; }
 
   bool skip_waiting() const { return skip_waiting_; }
 
   void SetDevToolsAttached(bool attached);
 
@@ skipping 188 matching lines @@
   scoped_ptr<net::HttpResponseInfo> main_script_http_info_;
 
   base::WeakPtrFactory<ServiceWorkerVersion> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerVersion);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_