Bug 233863 depends on 4 bugs:

•    233863: [LBSE] Begin layer-aware RenderSVGRoot implementation [RESOLVED FIXED; assigned to zimmermann]
  •    233666: [LBSE] Rename RenderSVGRoot -> LegacyRenderSVGRoot [RESOLVED FIXED; assigned to zimmermann]
    •    233211: [LBSE] Add runtime flag for Layer-based SVG engine (LBSE) [RESOLVED FIXED; assigned to zimmermann]
  •    233870: [LBSE] Add RenderObject::isSVGRootOrLegacySVGRoot() helper [RESOLVED FIXED; assigned to zimmermann]
    •    233666: [LBSE] Rename RenderSVGRoot -> LegacyRenderSVGRoot [RESOLVED FIXED; assigned to zimmermann] (*)
  •    233871: [LBSE] Toggling the Settings -> Enabled LBSE flag has no immediate effect [RESOLVED FIXED; assigned to zimmermann]

Bug 233863 blocks 8 bugs:

•    233863: [LBSE] Begin layer-aware RenderSVGRoot implementation [RESOLVED FIXED; assigned to zimmermann]
  •    90738: Harmonize HTML & SVG rendering [ASSIGNED; assigned to zimmermann]
    •    23113: Layer content inside HTML in SVG foreignObject renders in the wrong place [NEW; assigned to webkit-unassigned]
      •    302617: SVG: WPT test failure on svg/layout/svg-foreign-relayout-001.html (canvas inside foreignObject) [NEW; assigned to webkit-unassigned]
    •    227339: CSS SVG animations getting janked [NEW; assigned to webkit-unassigned]
    •    70025: Merge CSS and SVG Transforms according to CSS3 Transforms [RESOLVED FIXED; assigned to webkit-unassigned]
    •    110911: Refactor RenderSVGModelObject on top of RenderLayerModelObject [RESOLVED CONFIGURATION CHANGED; assigned to fmalita]
  •    233872: [LBSE] Handle RenderSVGRoot in all places that handle LegacyRenderSVGRoot [RESOLVED FIXED; assigned to zimmermann]
    •    90738: Harmonize HTML & SVG rendering [ASSIGNED; assigned to zimmermann] (*)
    •    233873: [LBSE] Create RenderSVGRoot renderer for outermost <svg> and allow direct <rect> children [RESOLVED FIXED; assigned to zimmermann]
      •    90738: Harmonize HTML & SVG rendering [ASSIGNED; assigned to zimmermann] (*)
  •    233873: [LBSE] Create RenderSVGRoot renderer for outermost <svg> and allow direct <rect> children [RESOLVED FIXED; assigned to zimmermann] (*)