# File lib/selenium/webdriver/common/platform.rb, line 128
      def find_binary(*binary_names)
        paths = ENV['PATH'].split(File::PATH_SEPARATOR)
        binary_names.map! { |n| "#{n}.exe" } if windows?

        binary_names.each do |binary_name|
          paths.each do |path|
            exe = File.join(path, binary_name)
            return exe if File.executable?(exe)
          end
        end

        nil
      end