format millix amount in the millix bar

chrome/browser/resources/millix/millix_bar.js

@@ -129,9 +129,9 @@ cr.define('millix_bar', function () {
                 $headline.text('searching for ads...');
 
                 if (aMinuteAgo > sessionStart && (!!advertisementPaymentTimestampLast && twoMinutesAgo > advertisementPaymentTimestampLast)) {
-                    $targetPhrase.text(`your last ad payment was received ${moment(new Date(advertisementPaymentTimestampLast)).fromNow()}` + (advertisementPaymentTotal ? `, you have earned ${advertisementPaymentTotal} in the past 24 hours.` : ''));
+                    $targetPhrase.text(`your last ad payment was received ${moment(new Date(advertisementPaymentTimestampLast)).fromNow()}` + (advertisementPaymentTotal ? `, you have earned ${advertisementPaymentTotal.toLocaleString('en-US')} millix in the past 24 hours.` : ''));
                 } else {
-                    $targetPhrase.text(advertisementPaymentTotal ? `you have earned ${advertisementPaymentTotal} in the past 24 hours.` : '');
+                    $targetPhrase.text(advertisementPaymentTotal ? `you have earned ${advertisementPaymentTotal.toLocaleString('en-US')} millix in the past 24 hours.` : '');
                 }
             }