roll skia DEPS to 13115

Chromium base revision: 245310 / 988ac94a
Old Skia revision: 13107
New Skia revision: 13115
Control CL: https://codereview.chromium.org/141023005

This CL was created by Skia's roll_deps.py script.

R=rmistry@google.com

Review URL: https://codereview.chromium.org/140663006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245506 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245507 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245507
Currently duration is simply returned or changed without checking whether the stream is seekable or not. MediaSourcePLayer deems a stream unseekable if the duration is more than 2^31 msec. I'm adding that check here as per the TODO.

Review URL: https://codereview.chromium.org/136523002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245508 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245508