sync: Remove TrafficRecorder

chrome/browser/resources/sync_internals/traffic.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.
-
-(function() {
-  var trafficToTextButton = document.getElementById('traffic-to-text');
-  var trafficDump = document.getElementById('traffic-dump');
-  trafficToTextButton.addEventListener('click', function(event) {
-    chrome.sync.getClientServerTraffic(printData);
-});
-
-function printData(trafficRecord) {
-  var trafficData = '';
-  trafficData += '===\n';
-  trafficData += 'Client Server Traffic\n';
-  trafficData += '===\n';
-  trafficData += JSON.stringify(trafficRecord, null, 2);
-  trafficData += '\n';
-
-  trafficDump.textContent = trafficData;
-}
-})();