Expose WebGL extension WEBGL_debug_renderer_info to Google domains

content/test/gpu/gpu_tests/webgl_debug_renderer_info.js

 // Copyright 2013 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.
 
 (function() {
   if (window.parent != window)  // Ignore subframes.
     return;
 
   var domAutomationController = {};
 
   domAutomationController._succeeded = false;
-  domAutomationController._finished = false;
 
   domAutomationController.setAutomationId = function(id) {};
 
   domAutomationController.send = function(msg) {
-    domAutomationController._finished = true;
-
-    if(msg.toLowerCase() == "success") {
+    msg = msg.toLowerCase();
+    if (msg == "success")
       domAutomationController._succeeded = true;
-    } else {
+    else
       domAutomationController._succeeded = false;
-    }
   };
 
   window.domAutomationController = domAutomationController;
 })();