tree 17aadaf933737643d366d89be14b7da71c8ec0d4
parent 3c9748bd64022a43c6abb6df84ff8ccdd6344aab
author Tom Sepez <tsepez@google.com> 1790888460 -0700
committer pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1790888460 -0700

Handle re-entrancy during form field focus transitions

Track CFFL_FormField lifetime using ObservedPtr during focus
transitions and PWL window updates. Return early if the form field
is destroyed while handling these events.

Fixed: 567936263
Change-Id: I992b06f6bfde5cc839e9d11b90a098b8affcf5f6
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/159451
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>