tree ee2034a1acfda982fa35b126d7ee83cb0e40e8e4
parent 8c187c36bed654f91a8913208148d499b188d901
author Lei Zhang <thestig@chromium.org> 1620930366 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1620930366 +0000

Move ScopedSetInsertion to core/fxcrt/scoped_set_insertion.h.

Move it out of third_party/base/stl_util.h since it does not exist in
Chromium's base/stl_util.h. Along the way:

- Add a unit test.
- Disallow copy, assign, and heap allocations.

Change-Id: Ie04cb53059805117da6b9906063f34d96d0629e7
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/80350
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>