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diff --git a/chromium/components/download/database/in_progress/in_progress_info.h b/chromium/components/download/database/in_progress/in_progress_info.h
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+++ b/chromium/components/download/database/in_progress/in_progress_info.h
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+// Copyright 2018 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 COMPONENTS_DOWNLOAD_DATABASE_IN_PROGRESS_IN_PROGRESS_INFO_H_
+#define COMPONENTS_DOWNLOAD_DATABASE_IN_PROGRESS_IN_PROGRESS_INFO_H_
+
+#include <string>
+#include <vector>
+
+#include "components/download/public/common/download_danger_type.h"
+#include "components/download/public/common/download_item.h"
+#include "components/download/public/common/download_url_parameters.h"
+#include "url/gurl.h"
+
+namespace download {
+
+// Contains information to reconstruct an interrupted download item for
+// resumption.
+struct InProgressInfo {
+ public:
+  InProgressInfo();
+  InProgressInfo(const InProgressInfo& other);
+  ~InProgressInfo();
+
+  bool operator==(const InProgressInfo& other) const;
+
+  //  request info  ------------------------------------------------------------
+
+  // The url chain.
+  std::vector<GURL> url_chain;
+
+  // Referrer url.
+  GURL referrer_url;
+
+  // Site url.
+  GURL site_url;
+
+  // Tab url.
+  GURL tab_url;
+
+  // Tab referrer url.
+  GURL tab_referrer_url;
+
+  // If the entity body of unsuccessful HTTP response, like HTTP 404, will be
+  // downloaded.
+  bool fetch_error_body = false;
+
+  // Request header key/value pairs that will be added to the download HTTP
+  // request.
+  DownloadUrlParameters::RequestHeadersType request_headers;
+
+  //  response info  -----------------------------------------------------------
+
+  // Contents of most recently seen ETag header.
+  std::string etag;
+
+  // Contents of most recently seen Last-Modified header.
+  std::string last_modified;
+
+  // The total number of bytes in the download.
+  int64_t total_bytes = 0;
+
+  // Mime type.
+  std::string mime_type;
+
+  // Original mime type before all redirections.
+  std::string original_mime_type;
+
+  //  destination info  --------------------------------------------------------
+
+  // The current path to the download (potentially different from final if
+  // download is in progress or interrupted).
+  base::FilePath current_path;
+
+  // The target path where the download will go when it's complete.
+  base::FilePath target_path;
+
+  // The number of bytes received (so far).
+  int64_t received_bytes = 0;
+
+  // The time when the download started.
+  base::Time start_time;
+
+  // The time when the download completed.
+  base::Time end_time;
+
+  // Data slices that have been downloaded so far. The slices must be ordered
+  // by their offset.
+  std::vector<DownloadItem::ReceivedSlice> received_slices;
+
+  // Hash of the downloaded content.
+  std::string hash;
+
+  //  state info  --------------------------------------------------------------
+
+  // Whether this download is transient. Transient items are cleaned up after
+  // completion and not shown in the UI.
+  bool transient = false;
+
+  // The current state of the download.
+  DownloadItem::DownloadState state = DownloadItem::DownloadState::IN_PROGRESS;
+
+  // Whether and how the download is dangerous.
+  DownloadDangerType danger_type =
+      DownloadDangerType::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS;
+
+  // The reason the download was interrupted, if state == kStateInterrupted.
+  DownloadInterruptReason interrupt_reason = DOWNLOAD_INTERRUPT_REASON_NONE;
+
+  // Whether this download is paused.
+  bool paused = false;
+
+  // Count for how many (extra) bytes were used (including resumption).
+  int64_t bytes_wasted = 0;
+
+  // Whether the download is initiated on a metered network
+  bool metered = false;
+};
+
+}  // namespace download
+
+#endif  // COMPONENTS_DOWNLOAD_DATABASE_IN_PROGRESS_IN_PROGRESS_INFO_H_