[BlobAsync] Disk support for blob storage

content/browser/service_worker/service_worker_url_request_job.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_URL_REQUEST_JOB_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 126 matching lines @@
   //----------------------------------------------------------------------------
   // The following are intended for use by ServiceWorker(Blob|Stream)Reader.
   void OnResponseStarted();
   void OnReadRawDataComplete(int bytes_read);
   void RecordResult(ServiceWorkerMetrics::URLRequestJobResult result);
   //----------------------------------------------------------------------------
 
   base::WeakPtr<ServiceWorkerURLRequestJob> GetWeakPtr();
 
  private:
-  class BlobConstructionWaiter;
+  class FileSizeResolver;
 
   enum ResponseType {
     NOT_DETERMINED,
     FALLBACK_TO_NETWORK,
     FALLBACK_TO_RENDERER,  // Use this when falling back with CORS check
     FORWARD_TO_SERVICE_WORKER,
   };
 
   enum ResponseBodyType {
     UNKNOWN,
@@ skipping 115 matching lines @@
   ServiceWorkerFetchType fetch_type_;
 
   ResponseBodyType response_body_type_ = UNKNOWN;
   bool did_record_result_ = false;
 
   bool response_is_in_cache_storage_ = false;
   std::string response_cache_storage_cache_name_;
 
   ServiceWorkerHeaderList cors_exposed_header_names_;
 
-  std::unique_ptr<BlobConstructionWaiter> blob_construction_waiter_;
+  std::unique_ptr<FileSizeResolver> file_size_resolver_;
 
   bool worker_already_activated_ = false;
   EmbeddedWorkerStatus initial_worker_status_ = EmbeddedWorkerStatus::STOPPED;
 
   // This is used for Navigation Preload. It may be a null callback in some
   // unittests or for Foreign Fetch.
   const MojoURLLoaderFactoryGetter url_loader_factory_getter_;
 
   base::WeakPtrFactory<ServiceWorkerURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerURLRequestJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_