GitLab

1) Unit tests were incorrectly using TextureInfo
2) GLES2Implementation::TexSubImageImpl was reading 1-7 bytes
   too many.

TEST=ran with Dr.Memory
BUG=91786


Review URL: http://codereview.chromium.org/7541074

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95906 0039d316-1c4b-4281-b951-d872f2087c98