[DevTools] Migrate inspector-protocol/runtime tests to new harness

third_party/WebKit/LayoutTests/inspector-protocol/runtime/runtime-console-timestamp.js

+(async function(testRunner) {
+  let {page, session, dp} = await testRunner.startBlank(``);
+
+  var messages = [];
+  dp.Runtime.onConsoleAPICalled(data => {
+    var payload = data.params;
+    if (messages.length > 0)
+      testRunner.log('Message ' + messages.length + ' has non-decreasing timestamp: ' + (payload.timestamp >= messages[messages.length - 1].timestamp));
+    messages.push(payload);
+    testRunner.log('Message has timestamp: ' + !!payload.timestamp);
+    testRunner.log(`Message timestamp doesn't differ too much from current time (one minute interval): ` + (Math.abs(new Date().getTime() - payload.timestamp) < 60000));
+    if (messages.length === 3)
+      testRunner.completeTest();
+  });
+  dp.Runtime.enable();
+  dp.Runtime.evaluate({ expression: `console.log('testUnique'); for (var i = 0; i < 2; ++i) console.log('testDouble');` });
+})