Auto merge of #22081 - KiChjang:onmessageerror, r=jdm

Add onmessageerror to WindowEventHandler

<!-- Please describe your changes on the following line: -->

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

<!-- Either: -->
- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because _____

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->

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

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/22081)
<!-- Reviewable:end -->

tests/wpt/metadata/html/dom/interfaces.https.html.ini

@@ -5995,9 +5995,6 @@
   [Window interface: attribute onsecuritypolicyviolation]
     expected: FAIL
 
-  [Window interface: attribute onmessageerror]
-    expected: FAIL
-
   [Window interface: operation createImageBitmap(ImageBitmapSource, ImageBitmapOptions)]
     expected: FAIL
 
@@ -6067,9 +6064,6 @@
   [Window interface: window must inherit property "onsecuritypolicyviolation" with the proper type]
     expected: FAIL
 
-  [Window interface: window must inherit property "onmessageerror" with the proper type]
-    expected: FAIL
-
   [Window interface: window must inherit property "createImageBitmap(ImageBitmapSource, ImageBitmapOptions)" with the proper type]
     expected: FAIL
 
@@ -6288,9 +6282,6 @@
   [HTMLBodyElement interface: attribute aLink]
     expected: FAIL
 
-  [HTMLBodyElement interface: attribute onmessageerror]
-    expected: FAIL
-
   [HTMLBodyElement interface: document.createElement("body") must inherit property "link" with the proper type]
     expected: FAIL
 
@@ -6300,9 +6291,6 @@
   [HTMLBodyElement interface: document.createElement("body") must inherit property "aLink" with the proper type]
     expected: FAIL
 
-  [HTMLBodyElement interface: document.createElement("body") must inherit property "onmessageerror" with the proper type]
-    expected: FAIL
-
   [HTMLHeadingElement interface: attribute align]
     expected: FAIL
 
@@ -9423,18 +9411,12 @@
   [HTMLFrameSetElement interface: attribute rows]
     expected: FAIL
 
-  [HTMLFrameSetElement interface: attribute onmessageerror]
-    expected: FAIL
-
   [HTMLFrameSetElement interface: document.createElement("frameset") must inherit property "cols" with the proper type]
     expected: FAIL
 
   [HTMLFrameSetElement interface: document.createElement("frameset") must inherit property "rows" with the proper type]
     expected: FAIL
 
-  [HTMLFrameSetElement interface: document.createElement("frameset") must inherit property "onmessageerror" with the proper type]
-    expected: FAIL
-
   [HTMLFrameElement interface: attribute name]
     expected: FAIL
 

tests/wpt/metadata/html/webappapis/scripting/events/event-handler-attributes-body-window.html.ini

@@ -9,9 +9,6 @@
   [shadowed error (document.body)]
     expected: FAIL
 
-  [shadowed messageerror (document.body)]
-    expected: FAIL
-
   [not shadowed auxclick (document.body)]
     expected: FAIL
 
@@ -30,15 +27,9 @@
   [not shadowed paste (document.body)]
     expected: FAIL
 
-  [shadowed messageerror removal (document.body)]
-    expected: FAIL
-
   [shadowed error (document.createElement("body"))]
     expected: FAIL
 
-  [shadowed messageerror (document.createElement("body"))]
-    expected: FAIL
-
   [not shadowed auxclick (document.createElement("body"))]
     expected: FAIL
 
@@ -57,6 +48,3 @@
   [not shadowed paste (document.createElement("body"))]
     expected: FAIL
 
-  [shadowed messageerror removal (document.createElement("body"))]
-    expected: FAIL
-

tests/wpt/metadata/html/webappapis/scripting/events/event-handler-attributes-window-body.html.ini

@@ -8,9 +8,6 @@
   [shadowed error]
     expected: FAIL
 
-  [shadowed messageerror]
-    expected: FAIL
-
   [not shadowed auxclick]
     expected: FAIL
 
@@ -20,6 +17,3 @@
   [not shadowed securitypolicyviolation]
     expected: FAIL
 
-  [shadowed messageerror removal]
-    expected: FAIL
-

tests/wpt/metadata/html/webappapis/scripting/events/event-handler-attributes-windowless-body.html.ini

@@ -5,12 +5,6 @@
   [Ignore setting of error window event handlers on windowless body]
     expected: FAIL
 
-  [Return null when getting the messageerror event handler of a windowless body]
-    expected: FAIL
-
-  [Ignore setting of messageerror window event handlers on windowless body]
-    expected: FAIL
-
   [auxclick is unaffected on a windowless body]
     expected: FAIL
 
@@ -23,12 +17,6 @@
   [Ignore setting of error window event handlers on windowless frameset]
     expected: FAIL
 
-  [Return null when getting the messageerror event handler of a windowless frameset]
-    expected: FAIL
-
-  [Ignore setting of messageerror window event handlers on windowless frameset]
-    expected: FAIL
-
   [auxclick is unaffected on a windowless frameset]
     expected: FAIL