cc: Remove deprecated DisplayItemList::Raster overload.

This patch removes a deprecated overload of the Raster function since
all callers pass scale 1.f, and a clip that is equivalent to the canvas
clip.

It also adds a default nullptr parameter to the abort callback.

R=enne@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Review-Url: https://codereview.chromium.org/2881213002
Cr-Commit-Position: refs/heads/master@{#472118}
10 files changed