Eliminate network fallback from ServiceWorkerContextRequestHandler.

content/browser/service_worker/service_worker_script_cache_map.h

 // Copyright 2014 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_SCRIPT_CACHE_MAP_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 55 matching lines @@
 
   const std::string& main_script_status_message() const {
     return main_script_status_message_;
   }
 
  private:
   typedef std::map<GURL, ServiceWorkerDatabase::ResourceRecord> ResourceMap;
 
   // The version objects owns its script cache and provides a rawptr to it.
   friend class ServiceWorkerVersion;
+  FRIEND_TEST_ALL_PREFIXES(ServiceWorkerVersionBrowserTest,
+                           ReadResourceFailure_WaitingWorker);
+
   ServiceWorkerScriptCacheMap(
       ServiceWorkerVersion* owner,
       base::WeakPtr<ServiceWorkerContextCore> context);
   ~ServiceWorkerScriptCacheMap();
 
   void OnMetadataWritten(
       std::unique_ptr<ServiceWorkerResponseMetadataWriter> writer,
       const net::CompletionCallback& callback,
       int result);
 
   bool IsMainScript(const GURL& url);
 
   ServiceWorkerVersion* owner_;
   base::WeakPtr<ServiceWorkerContextCore> context_;
   ResourceMap resource_map_;
   net::URLRequestStatus main_script_status_;
   std::string main_script_status_message_;
   StartStatus main_script_start_status_ = StartStatus::UNINITIALIZED;
   FinishStatus main_script_finish_status_ = FinishStatus::UNINITIALIZED;
 
   base::WeakPtrFactory<ServiceWorkerScriptCacheMap> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerScriptCacheMap);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_