tree 31141bd0226f46f9bfd24da6186fdc5c7a3b96a8
parent 817833a0159e04d8d69a9fa3520af96414aca6a4
author Lei Zhang <thestig@chromium.org> 1554929329 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1554929329 +0000

Convert |CXFA_FFDocView::m_IndexChangedSubforms| to a deque.

Pop off items one at a time to safely iterate through it. Add a set to
keep track of seen notes to prevent infinite loops.

BUG=chromium:932900

Change-Id: I74eb29262e8ba29097638f7103ef427799a06fc5
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/52971
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>