Remove the net-internals dependency from chrome proxy telemetry tests.

tools/chrome_proxy/integration_tests/chrome_proxy_metrics.js

-// Copyright 2014 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 contains common utilities to find chrome proxy related elements on
-// a page and collect info from them.
-
-(function() {
-  var PROXY_VIEW_ID = 'proxy-view-tab-content';
-  var PROXY_VIEW_EFFECTIVE_SETTINGS_ID = 'proxy-view-effective-settings';
-  var PROXY_VIEW_BAD_PROXIES_ID = 'proxy-view-bad-proxies-div';
-  var PROXY_VIEW_BAD_PROXIES_TBODY = 'proxy-view-bad-proxies-tbody';
-  var PRXOY_SETTINGS_PREFIX = 'Proxy server for HTTP: ['
-  var PROXY_SETTINGS_SIGNATURE = 'proxy.googlezip.net:443, ' +
-    'compress.googlezip.net:80, direct://';
-
-  // Returns the effective proxy in an array from settings.
-  // An example of the settings is:
-  // "Proxy server for HTTP: [proxy.googlezip.net:443, " +
-  // "compress.googlezip.net:80, direct://]"
-  function getEffectiveProxies(doc) {
-    var settings = doc.getElementById(PROXY_VIEW_EFFECTIVE_SETTINGS_ID);
-    if (settings && settings.innerHTML &&
-      settings.innerHTML.indexOf(PRXOY_SETTINGS_PREFIX) == 0) {
-      var left = settings.innerHTML.indexOf('[');
-      var right = settings.innerHTML.indexOf(']');
-      if (left >= 0 && right > left) {
-        return settings.innerHTML.substring(left + 1, right).split(/[ ,]+/);
-      }
-    }
-    return [];
-  }
-
-  // Returns an array of bad proxies. Each element is a bad proxy with
-  // attribute 'proxy' as the proxy name and attribute 'retry' as the
-  // next retry time.
-  function getBadProxyList(doc) {
-    var bad_proxies = doc.getElementById(PROXY_VIEW_BAD_PROXIES_ID);
-    if (bad_proxies.hasAttribute('style') &&
-        ('cssText' in bad_proxies.style) &&
-        bad_proxies.style.cssText == 'display: none;') {
-          return null;
-        }
-    var tbody = doc.getElementById(PROXY_VIEW_BAD_PROXIES_TBODY);
-    results = [];
-    for (var r = 0, n = tbody.rows.length; r < n; r++) {
-      results[r] = {};
-      results[r].proxy = tbody.rows[r].cells[0].innerHTML;
-      timeSpan = tbody.rows[r].cells[1].getElementsByTagName('span')[0];
-      if (timeSpan.hasAttribute('title') && timeSpan.title.indexOf('t=') == 0) {
-        results[r].retry = timeSpan.title.substr(2);
-      } else {
-        results[r].retry = '-1';
-      }
-    }
-    return results;
-  }
-
-  function getChromeProxyInfo() {
-    if (!document.getElementById(PROXY_VIEW_ID)) {
-      return null;
-    }
-    info = {};
-    info.proxies = getEffectiveProxies(document);
-    info.enabled = (info.proxies.length > 1 &&
-        info.proxies[info.proxies.length - 1] == 'direct://' &&
-        info.proxies[info.proxies.length - 2] != 'direct://');
-    info.badProxies = getBadProxyList(document);
-    return info;
-  };
-  window.__getChromeProxyInfo = getChromeProxyInfo;
-})();