base::ListValue::Append cleanup: pass unique_ptr instead of the released pointer.

chrome/browser/extensions/api/downloads/downloads_api.cc

Index: chrome/browser/extensions/api/downloads/downloads_api.cc
diff --git a/chrome/browser/extensions/api/downloads/downloads_api.cc b/chrome/browser/extensions/api/downloads/downloads_api.cc
index 229d55e30c4157abc34d1dbd05a7d6f3488226b7..c256e11d5bbfddafcbfa696ec880ccd9ebe69d11 100644
--- a/chrome/browser/extensions/api/downloads/downloads_api.cc
+++ b/chrome/browser/extensions/api/downloads/downloads_api.cc
@@ -1103,7 +1103,7 @@ bool DownloadsSearchFunction::RunSync() {
     std::unique_ptr<base::DictionaryValue> json_item(DownloadItemToJSON(
         *it, off_record ? GetProfile()->GetOffTheRecordProfile()
                         : GetProfile()->GetOriginalProfile()));
-    json_results->Append(json_item.release());
+    json_results->Append(std::move(json_item));
   }
   SetResult(std::move(json_results));
   RecordApiFunctions(DOWNLOADS_FUNCTION_SEARCH);