Re-enable extension GPU features

chrome/test/data/extensions/api_test/webglbackground/test.js

Index: chrome/test/data/extensions/api_test/webglbackground/test.js
diff --git a/chrome/test/data/extensions/api_test/webglbackground/test.js b/chrome/test/data/extensions/api_test/webglbackground/test.js
deleted file mode 100644
index bce24997e68e39efaebb2656264d47386cb8e58f..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/api_test/webglbackground/test.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// Copyright (c) 2011 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.
-
-chrome.test.runTests([
-  function checkForWebGL() {
-    chrome.test.assertEq(null, document.getElementsByTagName("canvas")[0].getContext("experimental-webgl"));
-    chrome.test.succeed();
-  }
-]);