// Copyright (c) 2011 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. // Called when the user clicks on the browser action. chrome.browserAction.onClicked.addListener(function(tab) { // No tabs or host permissions needed! console.log('Turning ' + tab.url + ' red!'); chrome.tabs.executeScript({ code: 'document.body.style.backgroundColor="red"' }); });