"Inline" auto-positioned out-of-flow objects are affected by pagination struts.

An out-of-flow positioned object that "belongs" to a line may need to adjust
its block position after the line has been laid out, since the line may have
been pushed to the next fragmentainer by a pagination strut.

BUG=291616

Review-Url: https://codereview.chromium.org/2249853007
Cr-Commit-Position: refs/heads/master@{#412546}
6 files changed