[webkit-reviews] review requested: [Bug 202043] Implement Position::upstream and Position::downstream with line layout iterator : [Attachment 379233] patch

[bugzilla-daemon at webkit.org]

Antti Koivisto <koivisto at iki.fi> has asked  for review:
Bug 202043: Implement Position::upstream and Position::downstream with line
layout iterator
https://bugs.webkit.org/show_bug.cgi?id=202043

Attachment 379233: patch

https://bugs.webkit.org/attachment.cgi?id=379233&action=review