Roll OTS r108 -> r110

This pulls in the following changes:

r110 [OTS] Add support for the MATH table.
r109 Fix offset verification in GDEF and GSUB header parsing.

BUG=334253,334318
TBR=yusukes@chromium.org

Review URL: https://codereview.chromium.org/131583005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245860 0039d316-1c4b-4281-b951-d872f2087c98
[Pepper] Add FileGrowth struct for append mode write

BUG=334171

Review URL: https://codereview.chromium.org/135303003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245861 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245862 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245862