[Webkit-unassigned] [Bug 256262] HTMLCanvasElement is orphaned causing a HTMLDocument leak on YouTube video pages

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=256262

--- Comment #5 from Ryan Reno <rreno at apple.com> ---
I can't make the CanvasGradient hold a weak reference to a context - that doesn't make sense because the spec doesn't give me the option of throwing an exception if there is no associated context.

I can probably make the CanvasStyle hold a WeakPtr to the CanvasGradient though. That way the Stack object that holds the CanvasStyle won't create a circular reference via CanvasGradient in this case.

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