Click http://www.mikesmusicroom.co.uk/chordbook.html to download the complete keyboard chord book which includes 12 major chords, 12 minor chords, 12 seventh chords and 12 minor seventh chords.
The twelve major chords in this video are:
C Major
G Major
D Major
A Major
E Major
B Major
F#/Gb Major
C#Db Major
Ab Major
Eb Major
Bb Major
F Major