
In the PDF viewer, correctly interpret the concept for copy for accessibility for older PDFs that were created without this concept in mind. See bug for details. Restructure the code to make it clearer how PDFs with security handler revision 2 are handled vs. newer revisions. Improve comments and give a constant a better name along the way. Bug: 989408 Change-Id: I3f6ebbef3f371fb53ad25af814ab84a903e288e3 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1728414 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org> Cr-Commit-Position: refs/heads/master@{#716753}