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

third_party/WebKit/LayoutTests/inspector-protocol/runtime/runtime-command-line-api-can-be-overriden.js

+(async function(testRunner) {
+  let {page, session, dp} = await testRunner.startBlank(`Tests that Command Line API doesn't override defined on window methods and can be overridden during evaluation.`);
+
+  await session.evaluate(`
+    function overrideDir() {
+      var v = '' + dir;
+      dir = 239;
+      return v + ' -> ' + dir;
+    }
+
+    function override$_() {
+      var v = '' + $_;
+      $_ = 239;
+      return v + ' -> ' + $_;
+    }
+
+    function doesCommandLineAPIEnumerable() {
+      for (var v in window) {
+        if (v === 'dir' || v === '$_')
+          return 'enumerable';
+      }
+      return 'non enumerable';
+    }
+  `);
+
+  async function evaluate(expression) {
+    var result = await dp.Runtime.evaluate({ 'expression': expression, objectGroup: 'console', includeCommandLineAPI: true });
+    return result.result;
+  }
+
+  function dumpResult(title, message) {
+    testRunner.log(title);
+    testRunner.logObject(message.result.value);
+  }
+
+  dumpResult(`Check that CommandLineAPI isn't enumerable on window object:`,
+      await evaluate(`doesCommandLineAPIEnumerable()`));
+  dumpResult(`Override dir:`,
+      await evaluate(`overrideDir()`));
+  dumpResult(`CommandLineAPI doesn't override dir:`,
+      await evaluate(`'' + dir`));
+  await evaluate(`delete dir`);
+  dumpResult(`CommandLineAPI is presented after removing override variable:`,
+      await evaluate(`overrideDir()`));
+  // set $_ to 42
+  await evaluate(`42`);
+  dumpResult(`Override $_:`,
+      await evaluate(`override$_()`));
+  dumpResult(`CommandLineAPI doesn't override $_:`,
+      await evaluate(`'' + $_`));
+  await evaluate(`delete $_`);
+  dumpResult(`CommandLineAPI is presented after removing override variable:`,
+      await evaluate(`override$_()`));
+  dumpResult(`CommandLineAPI can be overridden by var dir = 1:`,
+      await evaluate(`var dir = 1; '' + dir`));
+  dumpResult(`CommandLineAPI doesn't override var dir = 1:`,
+      await evaluate(`'' + dir`));
+  dumpResult(`CommandLineAPI can be overridden by Object.defineProperty:`,
+      await evaluate(`Object.defineProperty(window, 'copy', { get: () => 239 }); '' + copy`));
+  dumpResult(`CommandLineAPI doesn't override Object.defineProperty:`,
+      await evaluate(`'' + copy`));
+  testRunner.completeTest();
+})