Updated descendant condition for header/footer AX role mapping.

content/test/data/accessibility/html/landmark.html

Index: content/test/data/accessibility/html/landmark.html
diff --git a/content/test/data/accessibility/html/landmark.html b/content/test/data/accessibility/html/landmark.html
index 3b7c86336e7b693f9a0f0edf42cd0a39dccc592e..cc061ce29ca337e706da080d0628f399e1198d01 100644
--- a/content/test/data/accessibility/html/landmark.html
+++ b/content/test/data/accessibility/html/landmark.html
@@ -22,5 +22,49 @@
   <div role="main">This is an ARIA main landmark.</div>
   <div role="navigation">This is an ARIA navigation landmark.</div>
   <div role="search">This is an ARIA search landmark.</div>
+
+  <article><header>This should NOT banner role.</header></article>
+  <aside><header>This should NOT have banner role.</header></aside>
+  <nav><header>This should NOT have banner role.</header></nav>
+  <section><header>This should NOT have banner role.</header></section>
+  <blockquote><header>This should NOT have banner role.</header></blockquote>
+  <details><header>This should NOT header role.</header></details>
+  <fieldset><header>This should NOT have banner role.</header></fieldset>
+  <figure><header>This should NOT have banner role.</header></figure>
+  <table><tr><td><header>This should NOT have banner role.</header></td></tr></table>
+  <main><header>This should NOT have banner role.</header></main>
+
+  <article><div><header>This should NOT banner role.</header></div></article>
+  <aside><div><header>This should NOT have banner role.</header></div></aside>
+  <nav><div><header>This should NOT have banner role.</header></div></nav>
+  <section><div><header>This should NOT have banner role.</header></div></section>
+  <blockquote><div><header>This should NOT have banner role.</header></div></blockquote>
+  <details><div><header>This should NOT header role.</header></div></details>
+  <fieldset><div><header>This should NOT have banner role.</header></div></fieldset>
+  <figure><div><header>This should NOT have banner role.</header></div></figure>
+  <table><tr><td><div><header>This should NOT have banner role.</header><div></td></tr></table>
+  <main><div><header>This should NOT have banner role.</header></div></main>
+
+  <article><footer>This should NOT footer role.</footer></article>
+  <aside><footer>This should NOT have footer role.</footer></aside>
+  <nav><footer>This should NOT have footer role.</footer></nav>
+  <section><footer>This should NOT have footer role.</footer></section>
+  <blockquote><footer>This should NOT have footer role.</footer></blockquote>
+  <details><footer>This should NOT footer role.</footer></details>
+  <fieldset><footer>This should NOT have footer role.</footer></fieldset>
+  <figure><footer>This should NOT have footer role.</footer></figure>
+  <table><tr><td><footer>This should NOT have footer role.</footer></td></tr></table>
+  <main><footer>This should NOT have footer role.</footer></main>
+
+  <article><div><footer>This should NOT footer role.</footer></div></article>
+  <aside><div><footer>This should NOT have footer role.</footer></div></aside>
+  <nav><div><footer>This should NOT have footer role.</footer></div></nav>
+  <section><div><footer>This should NOT have footer role.</footer></div></section>
+  <blockquote><div><footer>This should NOT have footer role.</footer></div></blockquote>
+  <details><div><footer>This should NOT footer role.</footer></div></details>
+  <fieldset><div><footer>This should NOT have footer role.</footer></div></fieldset>
+  <figure><div><footer>This should NOT have footer role.</footer></div></figure>
+  <table><tr><td><div><footer>This should NOT have footer role.</footer><div></td></tr></table>
+  <main><div><footer>This should NOT have footer role.</footer></div></main>
 </body>
 </html>