DevTools: Add regression test for crbug.com/1158210

Tests that console messages are preserved across a x-process navigation.

Bug: 1158210
Change-Id: I7273ad218f2cf96e797679cf9552d5279f3dfe08
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2616830Reviewed-by: Simon Zünd <szuend@chromium.org>
Commit-Queue: Adithya Srinivasan <adithyas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842023}

third_party/blink/web_tests/http/tests/devtools/console/console-preserve-log-x-process-navigation-expected.txt

+Tests that the console can preserve log messages across cross-process navigations.
+console-preserve-log…ss-navigation.js:11 before navigation
+Navigated to empty.html
+console-preserve-log…ss-navigation.js:13 after navigation
+

third_party/blink/web_tests/http/tests/devtools/console/console-preserve-log-x-process-navigation.js

+// Copyright 2021 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+(async function() {
+  TestRunner.addResult(`Tests that the console can preserve log messages across cross-process navigations.`);
+  await TestRunner.loadModule('console_test_runner');
+  await TestRunner.showPanel('console');
+  await TestRunner.navigatePromise('http://devtools.oopif.test:8000/devtools/oopif/resources/empty.html')
+  Common.settingForTest('preserveConsoleLog').set(true);
+  await TestRunner.evaluateInPage(`console.log('before navigation')`);
+  await TestRunner.navigatePromise('http://127.0.0.1:8000/devtools/oopif/resources/empty.html')
+  await TestRunner.evaluateInPage(`console.log('after navigation')`);
+  await ConsoleTestRunner.dumpConsoleMessages();
+  TestRunner.completeTest();
+})();