tree f231f83c9615a1290bc796708f640a5bc6eefb61
parent 11ab20ef6581e4c966e884a5b852e7277b19ebd0
author Tom Sepez <tsepez@chromium.org> 1573089087 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1573089087 +0000

Introduce CPDF_Page::RenderContextClearer.

The need to reset this to nullptr in a few places precludes using
early returns down the road.

-- Remove redundant set to null followed by set to new.
-- Use MakeUnique<> in a few more places along the way.

Change-Id: Ic04ccf205c2bdfedf3e991750f42abe79cbade64
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/61970
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>