code: function augmentObject_(src, dest, force) {
      if (src && dest) {
        var p;
        for (p in src) {
          if (force || !(p in dest)) {
            dest[p] = src[p];
          }
        }
      }
      return dest;
  }
docs: Add the property of the source object to destination object
  if not already exists.
  @param {Object} dest
  @param {Object} src
  @param {Boolean} force
  @return {Object}