module AmazingPrint::ActionView

def ap_debug(object, options = {})

Use HTML colors and add default "debug_dump" class to the resulting HTML. 
def ap_debug(object, options = {})
  object.ai(
    options.merge(html: true)
  ).sub(
    /^<pre([\s>])/,
    '<pre class="debug_dump"\\1'
  ).html_safe
end