http://trac.webkit.org/changeset/85299 seems to have changed the algorithm used to compute the size of shadows' blurred edge, and as a consequence the following tests seem to need rebaselining. http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=%40ToT%20-%20chromium.org&tests=fast%2Fbox-shadow%2Fsingle-pixel-shadow.html%2Csvg%2Fdynamic-updates%2FSVGFEDropShadowElement-dom-shadow-color-attr.html%2Csvg%2Fdynamic-updates%2FSVGFEDropShadowElement-dom-shadow-opacity-attr.html%2Csvg%2Fdynamic-updates%2FSVGFEDropShadowElement-svgdom-shadow-color-prop.html%2Csvg%2Fdynamic-updates%2FSVGFEDropShadowElement-svgdom-shadow-opacity-prop.html%2Csvg%2Ffilters%2FfeDropShadow.svg
Test also observed to be crashing: svg/dynamic-updates/SVGFEDropShadowElement-svgdom-dy-prop.html Crashes suppressed by change: https://bugs.webkit.org/show_bug.cgi?id=64308 Also tracked by crbug.com/88801
http://trac.webkit.org/changeset/91393/ seems to have fixed this bug.
Committed r91440: <http://trac.webkit.org/changeset/91440>