Start aligning BackgroundFetchRequestInfo with the passed in request object.

content/browser/background_fetch/background_fetch_request_info.h

 // Copyright 2017 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_BACKGROUND_FETCH_REQUEST_INFO_H_
 #define CONTENT_BROWSER_BACKGROUND_FETCH_REQUEST_INFO_H_
 
 #include <memory>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "content/common/content_export.h"
+#include "content/common/service_worker/service_worker_types.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "content/public/browser/download_item.h"
 #include "url/gurl.h"
 
 namespace content {
 
 // Simple class to encapsulate the components of a fetch request.
 class CONTENT_EXPORT BackgroundFetchRequestInfo {
  public:
   BackgroundFetchRequestInfo();
-  BackgroundFetchRequestInfo(const GURL& url, const std::string& tag);
+  explicit BackgroundFetchRequestInfo(
+      const ServiceWorkerFetchRequest& fetch_request);
   // TODO(harkness): Remove copy constructor once the final (non-map-based)
   // state management is in place.
   BackgroundFetchRequestInfo(const BackgroundFetchRequestInfo& request);
   ~BackgroundFetchRequestInfo();
 
   const std::string& guid() const { return guid_; }
-  const GURL& url() const { return url_; }
-  const std::string& tag() const { return tag_; }
+
+  const GURL& GetURL() const;
 
   DownloadItem::DownloadState state() const { return state_; }
   void set_state(DownloadItem::DownloadState state) { state_ = state; }
 
   const std::string& download_guid() const { return download_guid_; }
   void set_download_guid(const std::string& download_guid) {
     download_guid_ = download_guid;
   }
 
   DownloadInterruptReason interrupt_reason() const { return interrupt_reason_; }
   void set_interrupt_reason(DownloadInterruptReason reason) {
     interrupt_reason_ = reason;
   }
 
   const base::FilePath& file_path() const { return file_path_; }
   void set_file_path(const base::FilePath& file_path) {
     file_path_ = file_path;
   }
 
   int64_t received_bytes() const { return received_bytes_; }
   void set_received_bytes(int64_t received_bytes) {
     received_bytes_ = received_bytes;
   }
 
   bool IsComplete() const;
 
  private:
+  ServiceWorkerFetchRequest fetch_request_;
+
   std::string guid_;
-  GURL url_;
-  std::string tag_;
   std::string download_guid_;
 
   // The following members do not need to be persisted, they can be reset after
   // a chrome restart.
   DownloadItem::DownloadState state_ =
       DownloadItem::DownloadState::MAX_DOWNLOAD_STATE;
   DownloadInterruptReason interrupt_reason_ =
       DownloadInterruptReason::DOWNLOAD_INTERRUPT_REASON_NONE;
   base::FilePath file_path_;
   int64_t received_bytes_ = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BACKGROUND_FETCH_REQUEST_INFO_H_