Network service: Implement URLLoader chaining for interceptors

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>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/optional.h"
 #include "base/time/time.h"
 #include "content/browser/service_worker/embedded_worker_status.h"
 #include "content/browser/service_worker/service_worker_metrics.h"
+#include "content/browser/service_worker/service_worker_response_type.h"
 #include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_event_dispatcher.mojom.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/public/common/request_context_frame_type.h"
 #include "content/public/common/request_context_type.h"
 #include "content/public/common/resource_type.h"
 #include "mojo/public/cpp/system/data_pipe.h"
 #include "net/http/http_byte_range.h"
 #include "net/url_request/url_request.h"
@@ skipping 114 matching lines @@
   virtual void RecordResult(ServiceWorkerMetrics::URLRequestJobResult result);
   //----------------------------------------------------------------------------
 
   base::WeakPtr<ServiceWorkerURLRequestJob> GetWeakPtr();
 
  private:
   class FileSizeResolver;
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerControlleeRequestHandlerTest,
                            LostActiveVersion);
 
-  enum ResponseType {
-    NOT_DETERMINED,
-    FAIL_DUE_TO_LOST_CONTROLLER,
-    FALLBACK_TO_NETWORK,
-    FALLBACK_TO_RENDERER,  // Use this when falling back with CORS check
-    FORWARD_TO_SERVICE_WORKER
-  };
+  using ResponseType = ServiceWorkerResponseType;
 
   enum ResponseBodyType {
     UNKNOWN,
     BLOB,
     STREAM,
   };
 
   // We start processing the request if Start() is called AND response_type_
   // is determined.
   void MaybeStartRequest();
@@ skipping 160 matching lines @@
   std::unique_ptr<FileSizeResolver> file_size_resolver_;
 
   base::WeakPtrFactory<ServiceWorkerURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerURLRequestJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_