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

third_party/WebKit/LayoutTests/inspector-protocol/accessibility/accessibility-modal.js

Index: third_party/WebKit/LayoutTests/inspector-protocol/accessibility/accessibility-modal.js
diff --git a/third_party/WebKit/LayoutTests/inspector-protocol/accessibility/accessibility-modal.js b/third_party/WebKit/LayoutTests/inspector-protocol/accessibility/accessibility-modal.js
new file mode 100644
index 0000000000000000000000000000000000000000..e10563b9c6616f595bc5ace35d2578a70c7bdb0a
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/inspector-protocol/accessibility/accessibility-modal.js
@@ -0,0 +1,23 @@
+(async function(testRunner) {
+  let {page, session, dp} = await testRunner.startHTML(`
+    <dialog data-dump id='modal'>
+      <div data-dump role='button' aria-modal='true'>
+      </div>
+      <div data-dump role='dialog' aria-modal='false'>
+      </div>
+      <div data-dump role='dialog' aria-modal='true'>
+      </div>
+      <div data-dump role='alertdialog' aria-modal='true'>
+      </div>
+      <dialog data-dump>Closed Dialog</dialog>
+      <dialog data-dump open>Open Dialog</dialog>
+    </dialog>
+  `, '');
+
+  var dumpAccessibilityNodesBySelectorAndCompleteTest =
+      (await testRunner.loadScript('../resources/accessibility-dumpAccessibilityNodes.js'))(testRunner, session);
+
+  await session.evaluate('document.getElementById("modal").showModal();');
+  var msg = await dp.DOM.getDocument();
+  dumpAccessibilityNodesBySelectorAndCompleteTest('[data-dump]', false, msg);
+})