[Webkit-unassigned] [Bug 180593] Web Inspector: Canvas recordings use a lot of memory and are never released

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180593

--- Comment #2 from Brian Burg <bburg at apple.com> ---
The resource usage is somewhat expected, though we should have some way to clear recordings from memory if we don't expect to ever see them again. I don't know in what cases this would make sense.

After navigating, clear if:
- User never opened the recording
- Canvas Tab is closed
- Web Inspector is closed

Preserve recording if:
- User has opened it at least once
- It is imported from file
- Relevant canvas has been deleted from DOM but page hasn't navigated

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