text: let flipper = 0;
  chrome.browserAction.onClicked.addListener(
      function(tab) { 
          if (flipper % 2 == 0) {
              chrome.tabs.sendMessage(tab.id, {text: 'debug'});
              flipper = flipper + 1;
          }
          else {
              chrome.tabs.sendMessage(tab.id, {text: 'nodebug'});
              flipper = flipper + 1;
          }
      }
  );
  