Auto merge of #11255 - s-baldrick:11158, r=ConnorGBrewster

11158 - add event handlers

Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data:
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy --faster` does not report any errors
- [X] These changes fix #11158 (github issue number if applicable).

Either:
- [x] There are tests for these changes OR
- [ ] These changes do not require tests because ____

Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process.

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1 files changed, 2 insertions, 1 deletions

diff --git a/components/script/dom/webidls/HTMLFrameSetElement.webidl b/components/script/dom/webidls/HTMLFrameSetElement.webidl
index f35de93e545..5addd41d253 100644
--- a/components/script/dom/webidls/HTMLFrameSetElement.webidl
+++ b/components/script/dom/webidls/HTMLFrameSetElement.webidl
@@ -7,4 +7,5 @@ interface HTMLFrameSetElement : HTMLElement {
   //         attribute DOMString cols;
   //         attribute DOMString rows;
 };
-//HTMLFrameSetElement implements WindowEventHandlers;
+
+HTMLFrameSetElement implements WindowEventHandlers;