Fix the Unthrottled download count for parallel download

content/browser/download/url_downloader.h

 // Copyright 2015 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_DOWNLOAD_URL_DOWNLOADER_H_
 #define CONTENT_BROWSER_DOWNLOAD_URL_DOWNLOADER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 22 matching lines @@
     virtual void OnUrlDownloaderStarted(
         std::unique_ptr<DownloadCreateInfo> download_create_info,
         std::unique_ptr<ByteStreamReader> stream_reader,
         const DownloadUrlParameters::OnStartedCallback& callback) = 0;
 
     // Called after the connection is cannceled or finished.
     virtual void OnUrlDownloaderStopped(UrlDownloader* downloader) = 0;
   };
 
   UrlDownloader(std::unique_ptr<net::URLRequest> request,
-                base::WeakPtr<Delegate> delegate);
+                base::WeakPtr<Delegate> delegate,
+                bool is_parallel_request);
   ~UrlDownloader() override;
 
   static std::unique_ptr<UrlDownloader> BeginDownload(
       base::WeakPtr<UrlDownloader::Delegate> delegate,
       std::unique_ptr<net::URLRequest> request,
-      const Referrer& referrer);
+      const Referrer& referrer,
+      bool is_parallel_request);
 
  private:
   class RequestHandle;
 
   void Start();
 
   // URLRequest::Delegate:
   void OnReceivedRedirect(net::URLRequest* request,
                           const net::RedirectInfo& redirect_info,
                           bool* defer_redirect) override;
@@ skipping 24 matching lines @@
   // Live on UI thread, post task to call |delegate_| functions.
   base::WeakPtr<Delegate> delegate_;
   DownloadRequestCore core_;
 
   base::WeakPtrFactory<UrlDownloader> weak_ptr_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_URL_DOWNLOADER_H_