[webkit-reviews] review requested: [Bug 140261] Null ptr crash in WebCore::LogicalSelectionOffsetCaches::ContainingBlockInfo::setBlock : [Attachment 246151] patch

[bugzilla-daemon at webkit.org]

Hyungwook Lee <hyungwook.lee at navercorp.com> has asked  for review:
Bug 140261: Null ptr crash in
WebCore::LogicalSelectionOffsetCaches::ContainingBlockInfo::setBlock
https://bugs.webkit.org/show_bug.cgi?id=140261

Attachment 246151: patch

https://bugs.webkit.org/attachment.cgi?id=246151&action=review