Remove gcdPrivate API code.

chrome/test/data/extensions/api_test/gcd_private/api/device_info.js

Index: chrome/test/data/extensions/api_test/gcd_private/api/device_info.js
diff --git a/chrome/test/data/extensions/api_test/gcd_private/api/device_info.js b/chrome/test/data/extensions/api_test/gcd_private/api/device_info.js
deleted file mode 100644
index f428574da8eedd38600fc49eb48b1a943b25c093..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/api_test/gcd_private/api/device_info.js
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2015 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.
-
-onload = function() {
-  chrome.test.runTests([
-    function deviceInfo() {
-      function onDeviceInfo(status, info) {
-        chrome.test.assertEq("success", status);
-        chrome.test.assertEq(info["version"], "3.0");
-        window.setTimeout(chrome.test.notifyPass,3000);
-      }
-
-      chrome.gcdPrivate.getDeviceInfo("myService._privet._tcp.local",
-                                      onDeviceInfo);
-    }
-  ]);
-};