Upgrade Chrome Extension - Price Chart

Job require only extension side work, all server side work done be me. Job details: * Generate price chart from json response using javascript library * Send to API, content of html tags from page source code * Use "X-Requested-With" header in api request All details on Api request is given by me, very easy. Work can be done by 30 minutes for some one who have experience with price chart library. So bid according to this please.