Remove type union for tilt and angle properties

[jrandolf-2]

3rd Attempt...

{azimuthAngle:0} matches TiltProperties because it only validates whether tiltX and tiltY exist and defaults them otherwise. This implies AngleProperties is not matched.

This PR implements the TiltProperties and AngleProperties verbatim, according to the Webdriver spec.

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Preview | Diff

[jgraham]

I think you want actual prose validating that there isn't a tiltX or tiltY property because currently we pass this into the classic command that will use those properties if they exist, and IIRC we can't specify the absence of properties in CDDL.

[jrandolf-2]

I think you want actual prose validating that there isn't a tiltX or tiltY property because currently we pass this into the classic command that will use those properties if they exist, and IIRC we can't specify the absence of properties in CDDL.

@jgraham If tiltX or tiltY doesn't exist, then it will be set to 0. If they do exist, they will be validated and throw if any of them are invalid.

[OrKoN]

LGTM

It looks like the union type meant to denote that either angle or tile properties are provided. So I am not sure if it's compatible with the current spec text. Deferring to @jgraham on that.

[whimboo]

Given that both tiltX and tiltY have been removed the wpt tests need to be updated. @jrandolf can you please fix them? Thanks.