[ServiceWorker] Make Stream support in ServiceWorkerURLRequestJob

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 <map>
 #include <string>
 
+#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
+#include "content/browser/streams/stream_read_observer.h"
+#include "content/browser/streams/stream_register_observer.h"
 #include "content/common/content_export.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 "net/http/http_byte_range.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_job.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerResponseType.h"
+#include "url/gurl.h"
+
+namespace net {
+class IOBuffer;
+}
 
 namespace storage {
 class BlobDataHandle;
 class BlobStorageContext;
 }
 
 namespace content {
 
+class ResourceContext;
 class ResourceRequestBody;
 class ServiceWorkerContextCore;
 class ServiceWorkerFetchDispatcher;
 class ServiceWorkerProviderHost;
+class Stream;
 
 class CONTENT_EXPORT ServiceWorkerURLRequestJob
     : public net::URLRequestJob,
-      public net::URLRequest::Delegate {
+      public net::URLRequest::Delegate,
+      public StreamReadObserver,
+      public StreamRegisterObserver {
  public:
   ServiceWorkerURLRequestJob(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate,
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
       base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
+      const ResourceContext* resource_context,
       FetchRequestMode request_mode,
       FetchCredentialsMode credentials_mode,
       RequestContextType request_context_type,
       RequestContextFrameType frame_type,
       scoped_refptr<ResourceRequestBody> body);
 
   // Sets the response type.
   void FallbackToNetwork();
   void ForwardToServiceWorker();
 
@@ skipping 26 matching lines @@
   void OnCertificateRequested(
       net::URLRequest* request,
       net::SSLCertRequestInfo* cert_request_info) override;
   void OnSSLCertificateError(net::URLRequest* request,
                              const net::SSLInfo& ssl_info,
                              bool fatal) override;
   void OnBeforeNetworkStart(net::URLRequest* request, bool* defer) override;
   void OnResponseStarted(net::URLRequest* request) override;
   void OnReadCompleted(net::URLRequest* request, int bytes_read) override;
 
+  // StreamObserver override:
+  void OnDataAvailable(Stream* stream) override;
+
+  // StreamRegisterObserver override:
+  void OnStreamRegistered(Stream* stream) override;
+
   const net::HttpResponseInfo* http_info() const;
 
   void GetExtraResponseInfo(
       bool* was_fetched_via_service_worker,
       bool* was_fallback_required_by_service_worker,
       GURL* original_url_via_service_worker,
       blink::WebServiceWorkerResponseType* response_type_via_service_worker,
       base::TimeTicks* fetch_start_time,
       base::TimeTicks* fetch_ready_time,
       base::TimeTicks* fetch_end_time) const;
@@ skipping 55 matching lines @@
   scoped_ptr<net::HttpResponseInfo> range_response_info_;
   scoped_ptr<net::HttpResponseInfo> http_response_info_;
   // Headers that have not yet been committed to |http_response_info_|.
   scoped_refptr<net::HttpResponseHeaders> http_response_headers_;
   GURL response_url_;
   blink::WebServiceWorkerResponseType service_worker_response_type_;
 
   // Used when response type is FORWARD_TO_SERVICE_WORKER.
   scoped_ptr<ServiceWorkerFetchDispatcher> fetch_dispatcher_;
   base::WeakPtr<storage::BlobStorageContext> blob_storage_context_;
+  const ResourceContext* resource_context_;
   scoped_ptr<net::URLRequest> blob_request_;
+  scoped_refptr<Stream> stream_;
+  GURL waiting_stream_url_;
+  scoped_refptr<net::IOBuffer> stream_pending_buffer_;
+  int stream_pending_buffer_size_;
+
   FetchRequestMode request_mode_;
   FetchCredentialsMode credentials_mode_;
   RequestContextType request_context_type_;
   RequestContextFrameType frame_type_;
   bool fall_back_required_;
   // ResourceRequestBody has a collection of BlobDataHandles attached to it
   // using the userdata mechanism. So we have to keep it not to free the blobs.
   scoped_refptr<ResourceRequestBody> body_;
   scoped_ptr<storage::BlobDataHandle> request_body_blob_data_handle_;
 
   base::WeakPtrFactory<ServiceWorkerURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerURLRequestJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_