Use element.createShadowRoot since WebKitShadowRoot is deprecated.

chrome/browser/extensions/shadow_dom_apitest.cc

Index: chrome/browser/extensions/shadow_dom_apitest.cc
diff --git a/chrome/browser/extensions/shadow_dom_apitest.cc b/chrome/browser/extensions/shadow_dom_apitest.cc
deleted file mode 100644
index f53d5d41780e7edfc2c452ab36bd0f766477efae..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/shadow_dom_apitest.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2012 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.
-
-#include "base/command_line.h"
-#include "chrome/browser/extensions/extension_apitest.h"
-#include "chrome/common/chrome_switches.h"
-
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, ShadowDom) {
-  // Shadow DOM is exposed to extensions with the experimental permission only.
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kEnableExperimentalExtensionApis);
-
-  ASSERT_TRUE(RunExtensionTest("shadow_dom")) << message_;
-}