Bug 1943179 - Add [[nodiscard]] to ContentIterator methods that return nsresult. r=masayuki

Differential Revision: https://phabricator.services.mozilla.com/D235361
2025-01-28 15:54:36 +00:00
parent 4e47d7a16d
commit d85b643e72
3 changed files with 41 additions and 25 deletions
--- a/editor/libeditor/HTMLEditor.cpp
+++ b/editor/libeditor/HTMLEditor.cpp
@@ -3539,7 +3539,11 @@ already_AddRefed<Element> HTMLEditor::GetSelectedElement(const nsAtom* aTagName,
  }

  PostContentIterator postOrderIter;
-  postOrderIter.Init(firstRange);
+  nsresult rv = postOrderIter.Init(firstRange);
+  if (NS_FAILED(rv)) {
+    aRv.Throw(rv);
+    return nullptr;
+  }

  RefPtr<Element> lastElementInRange;
  for (nsINode* lastNodeInRange = nullptr; !postOrderIter.IsDone();