class Selenium::WebDriver::Chromium::Profile

def as_json(*)
  extensions = @extensions.map do |crx_path|
    File.open(crx_path, 'rb') { |crx_file| Base64.strict_encode64 crx_file.read }
  end
  extensions.concat(@encoded_extensions)
  opts = {'directory' => directory || layout_on_disk}
  opts['extensions'] = extensions if extensions.any?
  opts
end