tree fd7622c7e2f83273667b8b009b3d7a4298cd8f7c
parent fadf921e2b60e771b638227b661b65bf3561b6c3
author Tom Sepez <tsepez@chromium.org> 1596236725 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1596236725 +0000

Introduce template GCedTreeNodeMixin<>.

This mixin class is required should we attempt to make CXFA_Node
be garbage-collected, since it is a subclass of CFXA_Object which
is already garbage collected. This is the Oilpan technique for
adding a second garbage-collected class to an already garbage
collected class.

Change-Id: Ic3ecfdfb8103bac7ccfbea17b674a5ab416f951b
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/72291
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>