1 files changed, 4 insertions, 2 deletions
diff --git a/components/script/dom/webidls/HTMLTableRowElement.webidl b/components/script/dom/webidls/HTMLTableRowElement.webidl
index 9ddf710653f..66538630c9d 100644
--- a/components/script/dom/webidls/HTMLTableRowElement.webidl
+++ b/components/script/dom/webidls/HTMLTableRowElement.webidl
@@ -8,8 +8,10 @@ interface HTMLTableRowElement : HTMLElement {
   //readonly attribute long rowIndex;
   //readonly attribute long sectionRowIndex;
   readonly attribute HTMLCollection cells;
-  //HTMLElement insertCell(optional long index = -1);
-  //void deleteCell(long index);
+  [Throws]
+  HTMLElement insertCell(optional long index = -1);
+  [Throws]
+  void deleteCell(long index);
 
   // also has obsolete members
 };