Downloads: Added transient flag to download item and download database

components/history/core/browser/download_row.cc

 // Copyright (c) 2011 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 "components/history/core/browser/download_row.h"
 
 #include "components/history/core/browser/download_constants.h"
 
 namespace history {
 
 DownloadRow::DownloadRow()
     : received_bytes(0),
       total_bytes(0),
       state(DownloadState::IN_PROGRESS),
       danger_type(DownloadDangerType::NOT_DANGEROUS),
       interrupt_reason(0),
       id(kInvalidDownloadId),
-      opened(false) {
+      opened(false),
+      visible(true) {
   // |interrupt_reason| is left undefined by this constructor as the value
   // has no meaning unless |state| is equal to kStateInterrupted.
 }
 
 DownloadRow::DownloadRow(
     const base::FilePath& current_path,
     const base::FilePath& target_path,
     const std::vector<GURL>& url_chain,
     const GURL& referrer_url,
     const GURL& site_url,
     const GURL& tab_url,
     const GURL& tab_referrer_url,
     const std::string& http_method,
     const std::string& mime_type,
     const std::string& original_mime_type,
     base::Time start,
     base::Time end,
     const std::string& etag,
     const std::string& last_modified,
     int64_t received,
     int64_t total,
     DownloadState download_state,
     DownloadDangerType danger_type,
     DownloadInterruptReason interrupt_reason,
     const std::string& hash,
     DownloadId id,
     const std::string& guid,
     bool download_opened,
     base::Time last_access,
+    bool visible,
     const std::string& ext_id,
     const std::string& ext_name,
     const std::vector<DownloadSliceInfo>& download_slice_info)
     : current_path(current_path),
       target_path(target_path),
       url_chain(url_chain),
       referrer_url(referrer_url),
       site_url(site_url),
       tab_url(tab_url),
       tab_referrer_url(tab_referrer_url),
       http_method(http_method),
       mime_type(mime_type),
       original_mime_type(original_mime_type),
       start_time(start),
       end_time(end),
       etag(etag),
       last_modified(last_modified),
       received_bytes(received),
       total_bytes(total),
       state(download_state),
       danger_type(danger_type),
       interrupt_reason(interrupt_reason),
       hash(hash),
       id(id),
       guid(guid),
       opened(download_opened),
       last_access_time(last_access),
+      visible(visible),
       by_ext_id(ext_id),
       by_ext_name(ext_name),
       download_slice_info(download_slice_info) {}
 
 DownloadRow::DownloadRow(const DownloadRow& other) = default;
 
 DownloadRow::~DownloadRow() {}
 
 bool DownloadRow::operator==(const DownloadRow& rhs) const {
   return current_path == rhs.current_path && target_path == rhs.target_path &&
          url_chain == rhs.url_chain && referrer_url == rhs.referrer_url &&
          site_url == rhs.site_url && tab_url == rhs.tab_url &&
          tab_referrer_url == rhs.tab_referrer_url &&
          http_method == rhs.http_method && mime_type == rhs.mime_type &&
          original_mime_type == rhs.original_mime_type &&
          start_time == rhs.start_time && end_time == rhs.end_time &&
          etag == rhs.etag && last_modified == rhs.last_modified &&
          received_bytes == rhs.received_bytes &&
          total_bytes == rhs.total_bytes && state == rhs.state &&
          danger_type == rhs.danger_type &&
          interrupt_reason == rhs.interrupt_reason && hash == rhs.hash &&
          id == rhs.id && guid == rhs.guid && opened == rhs.opened &&
-         last_access_time == rhs.last_access_time &&
+         last_access_time == rhs.last_access_time && visible == rhs.visible &&
          by_ext_id == rhs.by_ext_id && by_ext_name == rhs.by_ext_name &&
          download_slice_info == rhs.download_slice_info;
 }
 
 }  // namespace history