Roll Skia DEPS to r6523

Basing this roll on:
https://codereview.chromium.org/11419109/

with a minor patch
Review URL: https://codereview.chromium.org/11411125

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@169044 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed