[webkit-reviews] review requested: [Bug 123400] Prepare simple line layout to support multiple runs per line : [Attachment 215298] patch

[bugzilla-daemon at webkit.org]

Antti Koivisto <koivisto at iki.fi> has asked  for review:
Bug 123400: Prepare simple line layout to support multiple runs per line
https://bugs.webkit.org/show_bug.cgi?id=123400

Attachment 215298: patch
https://bugs.webkit.org/attachment.cgi?id=215298&action=review