DevTools: migrate inspector-protocol/dom tests to a new test runner

third_party/WebKit/LayoutTests/inspector-protocol/dom/dom-setInspectModeEnabled.js

+(async function(testRunner) {
+  var {page, session, dp} = await testRunner.startHTML(`
+    <div style="position:absolute;top:100;left:100;width:100;height:100;background:black"></div>
+  `, '');
+  var NodeTracker = await testRunner.loadScript('../resources/node-tracker.js');
+  var nodeTracker = new NodeTracker(dp);
+  dp.DOM.enable();
+  dp.Overlay.enable();
+  var message = await dp.Overlay.setInspectMode({ mode: 'searchForNode', highlightConfig: {} });
+  if (message.error) {
+    testRunner.die(message.error.message);
+    return;
+  }
+  dp.Input.dispatchMouseEvent({type: 'mouseMoved', button: 'left', clickCount: 1, x: 150, y: 150 });
+  dp.Input.dispatchMouseEvent({type: 'mousePressed', button: 'left', clickCount: 1, x: 150, y: 150 });
+  dp.Input.dispatchMouseEvent({type: 'mouseReleased', button: 'left', clickCount: 1, x: 150, y: 150 });
+
+  var message = await dp.Overlay.onceInspectNodeRequested();
+  message = await dp.DOM.pushNodesByBackendIdsToFrontend({backendNodeIds: [message.params.backendNodeId]});
+  testRunner.log('DOM.inspectNodeRequested: ' + nodeTracker.nodeForId(message.result.nodeIds[0]).localName);
+  testRunner.completeTest();
+})
+