Remove all calls to domAutomationController.setAutomationId.

content/test/data/gpu/pixel_webgl_util.js

 // Copyright 2016 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.
 //
 // READ BEFORE UPDATING:
 // If this file is updated, make sure to increment the "revision" value of any
 // tests that use this file in content/test/gpu/page_sets/pixel_tests.py. This
 // will ensure that the baseline images are regenerated on the next run.
 
 var vertexShader = [
@@ skipping 89 matching lines @@
 var g_glUtil;
 
 function makeMain(antialias, alpha)
 {
   return function() {
     var canvas = document.getElementById("c");
     g_glUtil = initGL(canvas, antialias, alpha);
     if (g_glUtil && setup(g_glUtil)) {
       drawSomeFramesUtil();
     } else {
-      domAutomationController.setAutomationId(1);
       domAutomationController.send("FAILURE");
     }
   };
 }
 
 function drawSomeFramesUtil()
 {
   if (g_swapsBeforeAckUtil == 0) {
-    domAutomationController.setAutomationId(1);
     domAutomationController.send("SUCCESS");
   } else {
     g_swapsBeforeAckUtil--;
     drawTriangle(g_glUtil);
     window.requestAnimationFrame(drawSomeFramesUtil);
   }
 }