Roll chromium deps to match webrtc.  chromium builds in older deps didnt support xcode 6.  This roll updates to a newer version to address the issue.
BUG=370
TESTED=try bots
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/36709004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1223 16f28f9a-4ce2-e073-06de-1de4eb20be90