NEW 163849
[Render Tree Mutation] Immutable render tree during layout. 
https://bugs.webkit.org/show_bug.cgi?id=163849
Summary [Render Tree Mutation] Immutable render tree during layout.
zalan
Reported 2016-10-22 07:45:04 PDT
We've learned in the past that mutating the render tree during layout could lead to use-after-free type of security issues. We should try to transfer tree mutation logic from layout time to after style resolve time.
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