[DevTools] Migrate inspector-protocol/{timeline,worker} tests to new harness

third_party/WebKit/LayoutTests/inspector-protocol/timeline/timeline-layout.js

+(async function(testRunner) {
+  let {page, session, dp} = await testRunner.startHTML(`
+    <style>
+    .my-class {
+        min-width: 100px;
+        background-color: red;
+    }
+    </style>
+    <div id='myDiv'>DIV</div>
+  `, '');
+
+  function performActions() {
+    var div = document.querySelector('#myDiv');
+    div.classList.add('my-class');
+    div.offsetWidth;
+    return Promise.resolve();
+  }
+
+  var TracingHelper = await testRunner.loadScript('../resources/tracing-test.js');
+  var tracingHelper = new TracingHelper(testRunner, session);
+  await tracingHelper.invokeAsyncWithTracing(performActions);
+
+  var schedRecalc = tracingHelper.findEvent('ScheduleStyleRecalculation', 'I');
+  var recalcBegin = tracingHelper.findEvent('UpdateLayoutTree', 'B');
+  var recalcEnd = tracingHelper.findEvent('UpdateLayoutTree', 'E');
+  testRunner.log('UpdateLayoutTree frames match: ' + (schedRecalc.args.data.frame === recalcBegin.args.beginData.frame));
+  testRunner.log('UpdateLayoutTree elementCount > 0: ' + (recalcEnd.args.elementCount > 0));
+
+  var invalidate = tracingHelper.findEvent('InvalidateLayout', 'I');
+  var layoutBegin = tracingHelper.findEvent('Layout', 'B');
+  var layoutEnd = tracingHelper.findEvent('Layout', 'E');
+
+  testRunner.log('InvalidateLayout frames match: ' + (recalcBegin.args.beginData.frame === invalidate.args.data.frame));
+
+  var beginData = layoutBegin.args.beginData;
+  testRunner.log('Layout frames match: ' + (invalidate.args.data.frame === beginData.frame));
+  testRunner.log('dirtyObjects > 0: ' + (beginData.dirtyObjects > 0));
+  testRunner.log('totalObjects > 0: ' + (beginData.totalObjects > 0));
+
+  var endData = layoutEnd.args.endData;
+  testRunner.log('has rootNode id: ' + (endData.rootNode > 0));
+  testRunner.log('has root quad: ' + !!endData.root);
+
+  testRunner.log('SUCCESS: found all expected events.');
+  testRunner.completeTest();
+})