background.js revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 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 a message is passed.  We assume that the content script
6// wants to show the page action.
7function onRequest(request, sender, sendResponse) {
8  // Show the page action for the tab that the sender (content script)
9  // was on.
10  chrome.pageAction.show(sender.tab.id);
11
12  // Return nothing to let the connection be cleaned up.
13  sendResponse({});
14};
15
16// Listen for the content script to send a message to the background page.
17chrome.extension.onRequest.addListener(onRequest);
18