Start aligning BackgroundFetchRequestInfo with the passed in request object.

content/browser/background_fetch/background_fetch_request_info.cc

 // 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.
 
 #include "content/browser/background_fetch/background_fetch_request_info.h"
 
 #include <string>
 
 #include "base/guid.h"
 #include "content/public/browser/download_item.h"
 
 namespace content {
 
 BackgroundFetchRequestInfo::BackgroundFetchRequestInfo() = default;
 
-BackgroundFetchRequestInfo::BackgroundFetchRequestInfo(const GURL& url,
-                                                       const std::string& tag)
-    : guid_(base::GenerateGUID()), url_(url), tag_(tag) {}
+BackgroundFetchRequestInfo::BackgroundFetchRequestInfo(
+    const ServiceWorkerFetchRequest& fetch_request)
+    : fetch_request_(fetch_request), guid_(base::GenerateGUID()) {}
 
 BackgroundFetchRequestInfo::BackgroundFetchRequestInfo(
     const BackgroundFetchRequestInfo& request)
-    : guid_(request.guid_),
-      url_(request.url_),
-      tag_(request.tag_),
+    : fetch_request_(request.fetch_request_),
+      guid_(request.guid_),
       download_guid_(request.download_guid_),
       state_(request.state_),
       interrupt_reason_(request.interrupt_reason_),
       file_path_(request.file_path_) {}
 
 BackgroundFetchRequestInfo::~BackgroundFetchRequestInfo() {}
 
 bool BackgroundFetchRequestInfo::IsComplete() const {
   return (state_ == DownloadItem::DownloadState::COMPLETE ||
           state_ == DownloadItem::DownloadState::CANCELLED);
 }
 
+const GURL& BackgroundFetchRequestInfo::GetURL() const {
+  return fetch_request_.url;
+}
+
 }  // namespace content