RenderSVGContainer/RenderSVGRoot::strokeBoundingBox() actually dump their childrens repaintRectInLocalCoordinates(). This is only visible when inspecting such nodes with our WebInspector - the highlighted rects are too small, eg. in LayoutTests/svg/filters/filter-clip.svg
Created attachment 60217 [details] Initial patch
Comment on attachment 60217 [details] Initial patch r=me. Fix the typo acftual, mentioned on IRC and upload it :-)
Landed in r62244.