Shadow tree expansion currently overrides existing transform attributes instead of concating - as asked by the spec. Attaching simple patch to fix it.
Created attachment 13421 [details] Initial patch This does NOT contain any layout tests results (-expected.txt/png) as someone needs to generate these results with a build which doesn't contain the svg experimental features. (use is disabled in ToT)
*** This bug has been marked as a duplicate of 12936 ***