[inspector] align console implementation with spec

test/inspector/console/console-follow-spec.js

Index: test/inspector/console/console-follow-spec.js
diff --git a/test/inspector/console/console-follow-spec.js b/test/inspector/console/console-follow-spec.js
new file mode 100644
index 0000000000000000000000000000000000000000..bb8926b515136fde76e403e4370e0994f7cbdf95
--- /dev/null
+++ b/test/inspector/console/console-follow-spec.js
@@ -0,0 +1,49 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+InspectorTest.addScript(`
+var self = this;
+
+function checkPrototype() {
+  const prototype1 = Object.getPrototypeOf(console);
+  const prototype2 = Object.getPrototypeOf(prototype1);
+  if (Object.getOwnPropertyNames(prototype1).length !== 0)
+    return "false: The [[Prototype]] must have no properties";
+  if (prototype2 !== Object.prototype)
+    return "false: The [[Prototype]]'s [[Prototype]] must be %ObjectPrototype%";
+  return "true";
+}
+`);
+
+InspectorTest.runTestSuite([
+  function consoleExistsOnGlobal(next) {
+    Protocol.Runtime.evaluate({ expression: "self.hasOwnProperty(\"console\")", returnByValue: true})
+      .then(message => InspectorTest.log(message.result.result.value))
+      .then(next);
+  },
+
+  function consoleHasRightPropertyDescriptor(next) {
+    Protocol.Runtime.evaluate({ expression: "Object.getOwnPropertyDescriptor(self, \"console\")", returnByValue: true})
+      .then(dumpDescriptor)
+      .then(next);
+
+    function dumpDescriptor(message) {
+      var value = message.result.result.value;
+      value.value = "<value>";
+      InspectorTest.logObject(value);
+    }
+  },
+
+  function ConsoleNotExistsOnGlobal(next) {
+    Protocol.Runtime.evaluate({ expression: "\"Console\" in self", returnByValue: true})
+      .then(message => InspectorTest.log(message.result.result.value))
+      .then(next);
+  },
+
+  function prototypeChainMustBeCorrect(next) {
+    Protocol.Runtime.evaluate({ expression: "checkPrototype()", returnByValue: true })
+      .then(message => InspectorTest.log(message.result.result.value))
+      .then(next);
+  }
+]);