Downloads: Added transient flag to download item and download database

components/history/core/test/history_backend_db_base_test.cc

Index: components/history/core/test/history_backend_db_base_test.cc
diff --git a/components/history/core/test/history_backend_db_base_test.cc b/components/history/core/test/history_backend_db_base_test.cc
index 8feac3aca34555d471e2e2e5e7a0fbbdf453f690..8a04b25c6a12161416ddcefb3e1c558812ec9768 100644
--- a/components/history/core/test/history_backend_db_base_test.cc
+++ b/components/history/core/test/history_backend_db_base_test.cc
@@ -135,7 +135,7 @@ bool HistoryBackendDBBaseTest::AddDownload(uint32_t id,
       "application/vnd.oasis.opendocument.text", "application/octet-stream",
       time, time, std::string(), std::string(), 0, 512, state,
       DownloadDangerType::NOT_DANGEROUS, kTestDownloadInterruptReasonNone,
-      std::string(), id, guid, false, time, "by_ext_id", "by_ext_name",
+      std::string(), id, guid, false, time, true, "by_ext_id", "by_ext_name",
       std::vector<DownloadSliceInfo>());
   return db_->CreateDownload(download);
 }