text: "use strict";
  /* global chrome */
  
  chrome.runtime.onInstalled.addListener(function () {
      chrome.declarativeContent.onPageChanged.removeRules(undefined, function () {
          chrome.declarativeContent.onPageChanged.addRules([{
              conditions: [
                  new chrome.declarativeContent.PageStateMatcher({
                      pageUrl: { urlMatches: ".*" }
                  })
              ],
              actions: [new chrome.declarativeContent.ShowPageAction()]
          }]);
      });
  });
  