Proposed design for tiles.
Proposed design for tiles.

BUG=skia:
R=kelvinly@google.com, bensong@google.com, mtklein@google.com

Author: jcgregorio@google.com

Review URL: https://codereview.chromium.org/354663005

Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot