Persist download interrupt reason, both target and current paths, and url_chain.

content/public/test/mock_download_manager.cc

Index: content/public/test/mock_download_manager.cc
diff --git a/content/public/test/mock_download_manager.cc b/content/public/test/mock_download_manager.cc
index 64349fdfcba4c713b01c15f8d6903f855dd97f52..28283b6087c4ad6a662618d7343c405ba87812f5 100644
--- a/content/public/test/mock_download_manager.cc
+++ b/content/public/test/mock_download_manager.cc
@@ -22,4 +22,24 @@ DownloadItem* MockDownloadManager::StartDownload(
   return MockStartDownload(info.get(), stream.get());
 }
 
+DownloadItem* MockDownloadManager::CreateDownloadItem(
+    const FilePath& current_path,
+    const FilePath& target_path,
+    const std::vector<GURL>& url_chain,
+    const GURL& referrer_url,
+    const base::Time& start_time,
+    const base::Time& end_time,
+    int64 received_bytes,
+    int64 total_bytes,
+    DownloadItem::DownloadState state,
+    DownloadDangerType danger_type,
+    DownloadInterruptReason interrupt_reason,
+    bool opened) {
+  MockCreateDownloadItem1(
+      current_path, target_path, url_chain, referrer_url, start_time,
+      end_time, received_bytes, total_bytes, state, danger_type);
+  return MockCreateDownloadItem2(target_path, url_chain, interrupt_reason,
+                                 opened);
+}
+
 }  // namespace content