[Bug 17772] [URL] The definition of "absolute url" makes https:foo not an absolute url, since its behavior depends on whether the base is https: or not. Is that desired? In particular, using this definition for websockets means that wss: urls with no forward...
[Bug 20017] [Shadow]: Retargeting relatedTarget algorithm prevents events from be fired if a user creates a MouseEvent manually with a relatedTarget which is same to the target.