[Webkit-unassigned] [Bug 216586] Make Settings generated from Settings.yaml work with Workers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216586

--- Comment #1 from Sam Weinig <sam at webkit.org> ---
The most straightforward approach would be to move the 'const Ref<Settings>' member from Document to ScriptExecutionContext, and adding a lock around all getting/setting. (I don't think the overhead of the lock should matter, hopefully nothing is checking a setting in any perf sensitive code, but any settings returning Strings will also have to be switched to always copy the string in and out, so it's not so great).

An alternative strategy would be taking a copy of the Settings (or perhaps the subset needed by Workers) when spawning a Worker, and then serializing mutations to the Settings to each currently active Worker as necessary,

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