tree eb64fedd0a0a9ceab0b5b0002fb8c383a0cba04e
parent 0aea4a700cc505ffc08215095826978211d3ad2e
author Lei Zhang <thestig@chromium.org> 1582225023 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1582225023 +0000

Retain corresponding layoutitem in CXFA_FFDocView::SetFocus().

Prevent destruction of the newly focused widget. Remove the need for an
ObserverPtr, and potential nullptr dereference with the ObserverPtr.

Bug: chromium:982193
Change-Id: I1e210c91ab90f90a6d3fc7de9d83dd1427e97f0d
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/66713
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>