add a download slices table into history download db

components/history/core/browser/download_row.cc

Index: components/history/core/browser/download_row.cc
diff --git a/components/history/core/browser/download_row.cc b/components/history/core/browser/download_row.cc
index 8c14601feede955e19930788e4f5775fe11f2159..f4e7462068b0fd9640ace7c0b8d18bf541814799 100644
--- a/components/history/core/browser/download_row.cc
+++ b/components/history/core/browser/download_row.cc
@@ -44,7 +44,8 @@ DownloadRow::DownloadRow(const base::FilePath& current_path,
                          const std::string& guid,
                          bool download_opened,
                          const std::string& ext_id,
-                         const std::string& ext_name)
+                         const std::string& ext_name,
+                         const std::vector<DownloadJobInfo>& download_job_info)
     : current_path(current_path),
       target_path(target_path),
       url_chain(url_chain),
@@ -69,7 +70,8 @@ DownloadRow::DownloadRow(const base::FilePath& current_path,
       guid(guid),
       opened(download_opened),
       by_ext_id(ext_id),
-      by_ext_name(ext_name) {}
+      by_ext_name(ext_name),
+      download_job_info(download_job_info) {}
 
 DownloadRow::DownloadRow(const DownloadRow& other) = default;
 
@@ -89,7 +91,8 @@ bool DownloadRow::operator==(const DownloadRow& rhs) const {
          danger_type == rhs.danger_type &&
          interrupt_reason == rhs.interrupt_reason && hash == rhs.hash &&
          id == rhs.id && guid == rhs.guid && opened == rhs.opened &&
-         by_ext_id == rhs.by_ext_id && by_ext_name == rhs.by_ext_name;
+         by_ext_id == rhs.by_ext_id && by_ext_name == rhs.by_ext_name &&
+         download_job_info == rhs.download_job_info;
 }
 
 }  // namespace history