1 files changed, 6 insertions, 9 deletions
diff --git a/dom/html/HTMLTableElement.cpp b/dom/html/HTMLTableElement.cpp
index ec1b7cecb..c5b7696cf 100644
--- a/dom/html/HTMLTableElement.cpp
+++ b/dom/html/HTMLTableElement.cpp
@@ -421,11 +421,10 @@ HTMLTableElement::CreateTHead()
 void
 HTMLTableElement::DeleteTHead()
 {
-  HTMLTableSectionElement* tHead = GetTHead();
+  RefPtr<HTMLTableSectionElement> tHead = GetTHead();
   if (tHead) {
-    mozilla::ErrorResult rv;
+    mozilla::IgnoredErrorResult rv;
     nsINode::RemoveChild(*tHead, rv);
-    MOZ_ASSERT(!rv.Failed());
   }
 }
 
@@ -452,11 +451,10 @@ HTMLTableElement::CreateTFoot()
 void
 HTMLTableElement::DeleteTFoot()
 {
-  HTMLTableSectionElement* tFoot = GetTFoot();
+  RefPtr<HTMLTableSectionElement> tFoot = GetTFoot();
   if (tFoot) {
-    mozilla::ErrorResult rv;
+    mozilla::IgnoredErrorResult rv;
     nsINode::RemoveChild(*tFoot, rv);
-    MOZ_ASSERT(!rv.Failed());
   }
 }
 
@@ -483,11 +481,10 @@ HTMLTableElement::CreateCaption()
 void
 HTMLTableElement::DeleteCaption()
 {
-  HTMLTableCaptionElement* caption = GetCaption();
+  RefPtr<HTMLTableCaptionElement> caption = GetCaption();
   if (caption) {
-    mozilla::ErrorResult rv;
+    mozilla::IgnoredErrorResult rv;
     nsINode::RemoveChild(*caption, rv);
-    MOZ_ASSERT(!rv.Failed());
   }
 }