breadcrumbs: Layout Team Meeting Notes > page_name: monday-may-4-2015 title: Monday, May 4, 2015

Performance Tracking (benjhayden)

  • Trace viewer/rail perf work.

  • Layout Analyzer powered by UMA.

Scrolling (skobes) [crbug.com/417782]

  • Improved unite tests for scrolling.

  • Removed m_inProgrammaticScroll scroll flag from FrameView.

  • Removed m_viewportLayoutObject from FrameView.

Line Boxes (szager) [crbug.com/321237]

  • Performance data looks a lot better, some micro benchmarks still show

a slight regression but within error margin. Plan is to try to land

this week.

Flexbox (cbiesinger) [crbug.com/426898]

  • Discussions around absolut positioning within flexbox.

  • Updated handling of min-width/min-height.

List marker refactoring (dsinclair) [crbug.com/370461]

  • Found solution for subtree modification problem, CL up for review.

(dsinclair)

  • Change to move layout tree modification from layout walk to

NotifyChange. (dsinclair)

Misc Warden (dsinclair, pilgrim)

  • Moved mustInvalidateBackgroundOrBorderPaintOnHeightChange from

LayoutObject to LayoutBox and made it private. (pilgrim)

  • Made updateShapeImage, updateFillImages private. (pilgrim)

  • Renderer to LayoutObject rename almost done, only editing and paint

remain. Yay! (dsinclair)

Region-based multi-column support (mstensho) [crbug.com/334335]

  • All known fuzzers fixed.

  • New multicol implementation landed today (r194883).

Layout refactoring (esprehn, ikilpatrick, cbiesinger, ojan, leviw)

  • Meetings and discussion contined last week and this week. Plan is to

have one or more concrete proposals by the end of BlinkOn.

Logistics

  • Most of the team in Sydney next week for BlinkOn 4, many travel down

this week.

  • No meeting next week (due to BlinkOn), send updates (if any) to eae.