Wes, do you know if any of your folks has hit this with gfx.offscreenCanvas at its default (false) value?
Bug 1529995 Comment 7 Edit History
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Wes, do you know if any of your folks has hit this with gfx.offscreenCanvas at its default (false) value? (with another testcase that doesn't depend on the offscreenCanvas API, I mean)