ServiceWorker: Change worker script fetch error code(2/3).

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 <string>
 #include <vector>
@@ skipping 201 matching lines @@
 
   ServiceWorkerScriptCacheMap* script_cache_map() { return &script_cache_map_; }
   EmbeddedWorkerInstance* embedded_worker() { return embedded_worker_.get(); }
 
   // 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_; }
 
+  // Notifies start callbacks that an URL request error occurred.
+  void NotifyStartWorkerURLRequestError(ServiceWorkerStatusCode status);

[michaeln, 2014/09/13 01:21:34]

The 'start callbacks' are already being called in these cases. Adding a special
case code paths to include extra error info doesn't seem needed. Can we keep the
existing control flow, but have start callback detect the more nuanced error
condition?

[xiang, 2014/09/16 06:24:31]

Done.

+
  private:
   friend class base::RefCounted<ServiceWorkerVersion>;
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerControlleeRequestHandlerTest,
                            ActivateWaitingVersion);
   typedef ServiceWorkerVersion self;
   typedef std::map<ServiceWorkerProviderHost*, int> ControlleeMap;
   typedef IDMap<ServiceWorkerProviderHost> ControlleeByIDMap;
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerVersionTest, ScheduleStopWorker);
 
   virtual ~ServiceWorkerVersion();
@@ skipping 64 matching lines @@
   bool is_doomed_;
 
   base::WeakPtrFactory<ServiceWorkerVersion> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerVersion);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_