tree 9227f997b32e3ba58552e0650d3dfe8349201159
parent 176c657a6d073a53cdafa17c64f626da482424ea
author Tom Sepez <tsepez@chromium.org> 1558555055 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1558555055 +0000

Make CPDF_ColorSpace fully retainable.

And remove CPDF_CountedColorSpace. Use an observed ptr for the
cache to clean itself when the last non-retaining reference is
removed.

Change-Id: I127a697243be92f1fc6a4bb0d7cf1742d559acab
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/54597
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>