Move chrome_proxy tests from under tools/perf to tools/chrome_proxy/integration_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';
@@ skipping 52 matching lines @@
     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;
 })();