This is probably due to but 1598487, we don't yet return the same size as Chrome does for window.inner{Width,Height} in cases of minimum-scale is applied. I will debug the test case later.
Bug 1639086 Comment 4 Edit History
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This is probably due to bug 1598487, we don't yet return the same size as Chrome does for window.inner{Width,Height} in cases of minimum-scale is applied. I will debug the test case later.