Create RenderSurface on Effect Tree

Move RenderSurface creation reason to effect tree. Update LayerImpl's
API to include SetForceRenderSurface. Update unittests.

R=enne
BUG=557160
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1491033002

Cr-Commit-Position: refs/heads/master@{#363544}
33 files changed