[RLS] Remove the RootLayerScrollingEnabled check from FramePainter and PLSA.

Bug: 823365
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
Change-Id: Ia97f4fac5a0fd9929d8ff03b109057db7171e8f3
Reviewed-on: https://chromium-review.googlesource.com/1070621
Commit-Queue: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: Philip Rogers <pdr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#561331}
2 files changed