Andreas Kling f68ed6d25b LibWeb: Make DOM Nodes keep their Document alive ...

In addition to being reference-counted, all nodes that are part of a
document must also keep the document alive.

This is achieved by adding a second ref-count to the Document object
and incrementing/decrementing it whenever a node is created/destroyed
in that document.

This brings us much closer to a proper DOM lifetime model, although
the JS bindings still need more work.

2020-10-11 21:52:59 +02:00

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