require.chrome.js

var require = (function() {
  var rComments = /((\/\/.*$)|(\/\*[\s\S]*?\*\/)|(\s))/mg;
  var rArguments = /^function\s*[^\(]*\(\s*([^\)]*)\)/m;
  var getArguments = function(fn) {
    // https://gist.github.com/thebyrd/6924190
    var argNames = fn.toString().replace(rComments,'').match(rArguments)[1];
    return argNames ? argNames.split(/,/) : [];
  };

  return function(dependencies, fn) {
    if (typeof dependencies === 'function') {
      fn = dependencies;
      dependencies = [];
    } else if (!Array.isArray(dependencies)) {
      dependencies = [];
    }

    chrome.runtime.getBackgroundPage(function(backgroundPage) {
      fn.apply(null, getArguments(fn).map(function(dependency, i) {
        return backgroundPage[dependencies[i] || dependency];
      }));
    });

  };

}());