[DevTools] New harness for inspector-protocol layout tests

third_party/WebKit/LayoutTests/inspector-protocol/cpu-profiler/record-cpu-profile.js

+(async function() {
+  let {page, session, Protocol} = await InspectorTest.startBlank(
+      'Test that profiler is able to record a profile. ' +
+      'Also it tests that profiler returns an error when it unable to find the profile.');
+
+  Protocol.Profiler.enable();
+  var messageObject = await Protocol.Profiler.start();
+  if (!InspectorTest.expectedSuccess('startFrontendProfile', messageObject))
+    return;
+
+  messageObject = await Protocol.Runtime.evaluate({expression: 'console.profile("Profile 1");'});
+  if (!InspectorTest.expectedSuccess('startConsoleProfile', messageObject))
+    return;
+
+  messageObject = await Protocol.Runtime.evaluate({expression: 'console.profileEnd("Profile 1");'});
+  if (!InspectorTest.expectedSuccess('stopConsoleProfile', messageObject))
+    return;
+
+  messageObject = await Protocol.Profiler.stop();
+  if (!InspectorTest.expectedSuccess('stoppedFrontendProfile', messageObject))
+    return;
+
+  messageObject = await Protocol.Profiler.start();
+  if (!InspectorTest.expectedSuccess('startFrontendProfileSecondTime', messageObject))
+    return;
+
+  messageObject = await Protocol.Profiler.stop();
+  InspectorTest.expectedSuccess('stopFrontendProfileSecondTime', messageObject);
+  InspectorTest.completeTest();
+})();