Looks like there is no Word Wrap available for now 🙁 and seems like people have been asking forever, I just posted my vote for word wrap too
https://code.google.com/p/chromium/issues/detail?can=2&start=0&num=100&q=&colspec=ID%20Pri%20M%20Iteration%20ReleaseBlock%20Cr%20Status%20Owner%20Summary%20OS%20Modified&groupby=&sort=&id=73193
Edit: looks like it is a feature by default now (click on the three dots on the top right, then click on Settings):
