GitLab

1. Implement AXInlineTextBox::IsLineBreakingObject to detect
   preserved newlines.

2. Adjust AXPosition<>::AbortMoveAtParagraphBoundary to be able to
   detect preserved newlines from ancestor anchors using the leaf
   text position.

Bug: 847971
Change-Id: I96e9eacd55cfdb4aa99ceb6460c530ee6d17a1ec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1677553
Commit-Queue: Adam Ettenberger <adettenb@microsoft.com>
Reviewed-by: Christian Biesinger <cbiesinger@chromium.org>
Reviewed-by: Kurt Catti-Schmidt <kschmi@microsoft.com>
Reviewed-by: Nektarios Paisios <nektar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#685366}