DevTools: add console test helpers to new test runner & migrate a console test

third_party/WebKit/LayoutTests/http/tests/inspector/devtools-js/console/command-line-api.js

Index: third_party/WebKit/LayoutTests/http/tests/inspector/devtools-js/console/command-line-api.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/devtools-js/console/command-line-api.js b/third_party/WebKit/LayoutTests/http/tests/inspector/devtools-js/console/command-line-api.js
new file mode 100644
index 0000000000000000000000000000000000000000..6c420166cbff3d16e0773b5eb55dcc432111ed73
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/devtools-js/console/command-line-api.js
@@ -0,0 +1,57 @@
+// Copyright 2017 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 command line api works.\n');
+
+  await TestRunner.loadModule('console_test_runner');
+  await TestRunner.loadModule('elements_test_runner');
+  await TestRunner.loadPanel('console');
+  await TestRunner.loadHTML(`
+    <p id='foo'>
+      Tests that command line api works.
+    </p><p id='bar'></p>
+  `);
+
+  var expressions = [
+    'String($0)',
+    '$3',
+    'String(keys([3,4]))',
+    'String(values([3,4]))',
+    `String($('#foo'))`,
+    `String($('#foo', document.body))`,
+    `String($('#foo', 'non-node'))`,
+    `String($('#foo', $('#bar')))`,
+    `String($$('p'))`,
+    `String($$('p', document.body))`,
+    `String($('foo'))`,
+    `console.assert(keys(window).indexOf('__commandLineAPI') === -1)`
+  ];
+
+  ElementsTestRunner.selectNodeWithId('foo', step1);
+
+  function step1(node) {
+    var expression = expressions.shift();
+    if (!expression) {
+      step2();
+      return;
+    }
+    Common.console.log('');
+    ConsoleTestRunner.evaluateInConsole(expression, step1);
+  }
+
+  function step2() {
+    function assertNoBoundCommandLineAPI() {
+      ['__commandLineAPI', '__scopeChainForEval'].forEach(function(name) {
+        console.assert(!(name in window), 'FAIL: Should be no ' + name);
+      });
+    }
+    TestRunner.evaluateInPage(assertNoBoundCommandLineAPI, step3);
+  }
+
+  function step3() {
+    ConsoleTestRunner.dumpConsoleMessages();
+    TestRunner.completeTest();
+  }
+})();