The template element patch added asserts in parserAppendChild and parserInsertBefore which should be valid, but DOMImplementation::createDocument() calls parserAppendChild with docType without regard to its owner. This patch removes the assert and adds a FIXME.

Patch by Rafael Weinstein <rafaelw@chromium.org> on 2012-12-03

* dom/ContainerNode.cpp:
(WebCore::ContainerNode::parserInsertBefore):
(WebCore::ContainerNode::parserAppendChild):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@136480 268f45cc-cd09-0410-ab3c-d52691b4dbfc