tree fd0e9cbfaad5698b92cea5fc967ccdedbac28611
parent 654d9501e32c4d38ce9402b953b99c1bc264c365
author Tom Sepez <tsepez@chromium.org> 1557784433 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1557784433 +0000

Replace CountedFaceCache with RetainPtr<CFX_FaceCache>

Removes some add-hoc refcounting in favor of smart pointers. The
combination of Retainable and Observable creates a cache entry that
remains valid so long as there is at least one retain ptr outstanding.

Change-Id: I14f3c0b3ec42d9b845b6fb3965b0d7e6f9fc1a28
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/54272
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>