Bug 1813301 [wpt PR 38242] - Add optional submitter argument to FormD…

…ata constructor, a=testonly

Automatic update from web-platform-tests
Add optional submitter argument to FormData constructor

This patch adds support for the new submitter argument to the FormData constructor.

Spec: https://xhr.spec.whatwg.org/#interface-formdata
Spec PR (merged): whatwg/xhr#366
WPT PR: web-platform-tests/wpt#37895

Bug: 1410542
Change-Id: If17f782f75ae40ae21241c169afc52761fc89544
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4189297
Reviewed-by: Mason Freed <[email protected]>
Commit-Queue: Mason Freed <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1100734}

--

wpt-commits: 181fc870aeae110d95537bac969f76caa55d5112
wpt-pr: 38242

testing/web-platform/tests/xhr/idlharness.any.js

@@ -15,7 +15,14 @@ idl_test(
     });
     if (self.Window) {
       self.form = document.createElement('form');
-      idl_array.add_objects({ FormData: ['new FormData(form)'] });
+      self.submitter = document.createElement('button');
+      self.form.appendChild(self.submitter);
+      idl_array.add_objects({
+        FormData: [
+          'new FormData(form)',
+          'new FormData(form, submitter)'
+        ],
+      });
     }
   }
 );