service worker: Wait for request body blobs to finish construction

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 <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "content/browser/service_worker/service_worker_metrics.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 "net/url_request/url_request_status.h"
+#include "storage/common/blob_storage/blob_storage_constants.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerResponseType.h"
 #include "url/gurl.h"
 
 namespace net {
 class IOBuffer;
 }
 
 namespace storage {
 class BlobDataHandle;
 class BlobStorageContext;
@@ skipping 119 matching lines @@
     UNKNOWN,
     BLOB,
     STREAM,
   };
 
   // We start processing the request if Start() is called AND response_type_
   // is determined.
   void MaybeStartRequest();
   void StartRequest();
 
+  void DispatchToWorker();
+
   // Creates ServiceWorkerFetchRequest from |request_| and |body_|.
   std::unique_ptr<ServiceWorkerFetchRequest> CreateFetchRequest();
 
   // Creates BlobDataHandle of the request body from |body_|. This handle
   // |request_body_blob_data_handle_| will be deleted when
   // ServiceWorkerURLRequestJob is deleted.
+  // This must not be called until all blobs in |body_| finished construction.
   bool CreateRequestBodyBlob(std::string* blob_uuid, uint64_t* blob_size);
 
   // For FORWARD_TO_SERVICE_WORKER case.
   void DidPrepareFetchEvent();
   void DidDispatchFetchEvent(
       ServiceWorkerStatusCode status,
       ServiceWorkerFetchEventResult fetch_result,
       const ServiceWorkerResponse& response,
       const scoped_refptr<ServiceWorkerVersion>& version);
 
@@ skipping 25 matching lines @@
   void NotifyHeadersComplete();
   void NotifyStartError(net::URLRequestStatus status);
   void NotifyRestartRequired();
 
   // Wrapper that gathers parameters to |on_start_completed_callback_| and then
   // calls it.
   void OnStartCompleted() const;
 
   bool IsMainResourceLoad() const;
 
+  // For waiting for request body blobs to finish construction.
+  bool HasRequestBody();
+  void WaitForRequestBobyBlobsToComplete();
+  void OneRequestBodyBlobCompleted(
+      bool success,
+      storage::IPCBlobCreationCancelCode cancel_code);
+  void RequestBodyBlobsCompleted(
+      bool success,
+      storage::IPCBlobCreationCancelCode cancel_code);
+
   // Not owned.
   Delegate* delegate_;
 
   // Timing info to show on the popup in Devtools' Network tab.
   net::LoadTimingInfo load_timing_info_;
   base::TimeTicks worker_start_time_;
   base::TimeTicks worker_ready_time_;
   base::Time response_time_;
 
   ResponseType response_type_;
@@ skipping 31 matching lines @@
   std::unique_ptr<storage::BlobDataHandle> request_body_blob_data_handle_;
   scoped_refptr<ServiceWorkerVersion> streaming_version_;
   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_;
 
+  size_t num_pending_request_body_blobs_ = 0;
+
   base::WeakPtrFactory<ServiceWorkerURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerURLRequestJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_URL_REQUEST_JOB_H_