Run Pepper unit tests in Native Client...

Run Pepper unit tests in Native Client

copy of http://codereview.chromium.org/4991006/
had to do it again in 'commitable' version of chrome tree


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=66321

[darin (slow to review), 2010-11-16 19:14:22]

LGTM