[DevTools] Move inspector-protocol/accessibility tests to new harness

third_party/WebKit/LayoutTests/inspector-protocol/accessibility/accessibility-nameSources-summary.js

+(async function(testRunner) {
+  let {page, session, dp} = await testRunner.startHTML(`
+    <style>
+    body.done .tests {
+      display: none;
+    }
+    </style>
+    <script>
+    function done() {
+      document.body.classList.add('done');
+    }
+    </script>
+    <!-- Compare with accessibility/name-calc-figure.html, accessibility/name-calc-img.html, accessibility/name-calc-presentational.html and accessibility/name-calc-svg.html-->
+    <div class='tests'>
+      <!-- Need to test summary element which has no DOM node equivalent.
+           <details id='details1'>
+             <p>details1-content</p>
+           </details>
+           -->
+
+      <details id='details2'>
+        <summary id='summary2' title='summary2-title'></summary>
+        <p>details2-content</p>
+      </details>
+
+      <details id='details3'>
+        <summary id='summary3' title='summary3-title'>summary3-contents</summary>
+        <p>details3-content</p>
+      </details>
+
+      <details id='details4'>
+        <summary id='summary4' title='summary4-title' aria-label='summary4-aria-label'>summary4-contents</summary>
+        <p>details4-content</p>
+      </details>
+
+      <details id='details5'>
+        <summary id='summary5' title='summary5-title' aria-label='summary5-aria-label' aria-labelledby='labelledby5'>summary5-contents</summary>
+        <p>details5-content</p>
+      </details>
+      <span hidden='true' id='labelledby5'>summary5-aria-labelledby</span>
+    </div>
+  `, '');
+
+  var dumpAccessibilityNodesBySelectorAndCompleteTest =
+      (await testRunner.loadScript('../resources/accessibility-dumpAccessibilityNodes.js'))(testRunner, session);
+
+  var msg = await dp.DOM.getDocument();
+  dumpAccessibilityNodesBySelectorAndCompleteTest('summary', false, msg);
+})