Barry Bonds is outraged over a video of several white kids who attend his daughter's fancy Brentwood private school using the n-word while rapping along with a popular song. The 26-second clip -- posted by Brentwood Students Against Racism -- shows several young white teens singing along to A$AP Ferg's, "Dump Dump" ... which features the lyric, "I f***** your bitch, n****." The video got to Barry, whose daughter, Aisha, attends Brentwood School ($37,000 a year) -- and he tweeted,...