1// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Called when the user clicks on the browser action. 6chrome.browserAction.onClicked.addListener(function(tab) { 7 // No tabs or host permissions needed! 8 console.log('Turning ' + tab.url + ' red!'); 9 chrome.tabs.executeScript({ 10 code: 'document.body.style.backgroundColor="red"' 11 }); 12}); 13