tree ecc69fbba74f702d64265d3dde84dc26fd8d79a2
parent 5d2f4b7643da1a434f486f633080579ab8a93449
author Stan Iliev <stani@google.com> 1476392829 -0400
committer Stan Iliev <stani@google.com> 1476736228 -0400

Initial refactoring to enable reuse of SkiaDisplayList
on a per RenderNode basis. With Skia renderer we
see 30% speed improvement in Invalidate Tree UI Jank test,
when SkiaDisplayList objects are reused.

Test: manually built and run on angler-eng.
Change-Id: Ie4ec50ddb2015150e3ec678dde7ebed0c8d90067