Remove old references to PyAuto

chrome/test/data/webrtc/video_detector.js

 /**
  * 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.
  */
 
 // This file requires the functions defined in test_functions.js.
 
 var gFingerprints = [];
 
 // Public interface.
 
 /**
  * Starts capturing frames from a video tag. The algorithm will fingerprint a
  * a frame every now and then. After calling this function and running for a
  * while (at least 200 ms) you will be able to call isVideoPlaying to see if
  * we detected any video.
  *
  * @param {string} videoElementId The video element to analyze.
  * @param {string} canvasId A canvas element to write fingerprints into.
  * @param {int}    width The video element's width.
  * @param {int}    width The video element's height.
  *
- * @return {string} Returns ok-started to PyAuto.
+ * @return {string} Returns ok-started to the test.
  */
 //
 function startDetection(videoElementId, canvasId, width, height) {
   var video = document.getElementById(videoElementId);
   var canvas = document.getElementById(canvasId);
   var NUM_FINGERPRINTS_TO_SAVE = 5;
 
   setInterval(function() {
     var context = canvas.getContext('2d');
     captureFrame_(video, context, width, height);
@@ skipping 55 matching lines @@
 function fingerprint_(canvasContext, width, height) {
   var imageData = canvasContext.getImageData(0, 0, width, height);
   var pixels = imageData.data;
 
   var fingerprint = 0;
   for (var i = 0; i < pixels.length; i++) {
     fingerprint += pixels[i];
   }
   return fingerprint;
 }