tree 503d0aeb877288d28b8a2ad43b7d2148bb2cc58a
parent d70e275db0232ebed12e3c10f9f50ce0d8373695
author Tom Sepez <tsepez@chromium.org> 1579290800 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1579290800 +0000

Avoid CHECK() in CFDE_TextEditEngine.

Maintain invariant that the text length does not exceed the
character limit, even when toggling on/off limits and inserting
text in-between. Take the conservative approach of not truncating
pre-existing input when the limits are toggled back and forth.

Bug: pdfium:1458
Change-Id: Id064d9f54929d91dea5027a024fcaab40e4c55e4
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/65290
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>