Fold consumer overrides over detected facts and derive targetScale.
targetScale
targetScale is re-derived AFTER the merge, so an override of coarsePointer alone scales the chrome as expected. An explicit targetScale override wins over the derivation.
coarsePointer
Optional
Fold consumer overrides over detected facts and derive
targetScale.targetScaleis re-derived AFTER the merge, so an override ofcoarsePointeralone scales the chrome as expected. An explicittargetScaleoverride wins over the derivation.