skip hatebu

background.js

(function() {
  var urls = ['http://b.hatena.ne.jp/entry/',
              'http://zenback.itmedia.co.jp/contents/',
              'http://ceron.jp/url/'];

  chrome.tabs.onUpdated.addListener(function(tabid, inf, tab) {
    for (var i = 0; i < urls.length; i++) {
      if (inf.url.indexOf(urls[i]) === 0) {
        var newUrl = inf.url.replace(/^(https?:\/\/).*?\/.*?\/(.*)$/, '$1$2');
        chrome.tabs.update(tabid, {"url": newUrl});
        break;
      }
    }
  });
})();

manifest.json

{
    "name": "skip hatebu",
    "version": "1.0",
    "manifest_version": 2,
    "permissions": ["tabs", "http://*/*"],
    "background": {
        "scripts": ["background.js"]
    }
}