RESOLVED WONTFIX 77603
Element should be able to take built-in shadow tree. 
https://bugs.webkit.org/show_bug.cgi?id=77603
Summary Element should be able to take built-in shadow tree.
Shinya Kawanaka
Reported 2012-02-01 22:04:42 PST
Let's consider adding a new shadow subtree to element having a built-in shadow subtree. Such element may have a code like: ensureShadowRoot()->firstChild() ... If ensureShadowRoot() returns the youngest shadow root, this code may crash. We should guarantee that elements can take built-in shadow root.
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