Move static methods out of CSSLengthInterpolationType to LengthInterpolationFunctions
This change refactors the InterpolationValue logic out of
CSSLengthInterpolationType into its own file LengthInterpolationFunctions.
This allows other CSSInterpolationTypes to use Length functions without
importing unnecessary InterpolationType methods.
Committed:
https://crrev.com/c31809296fc253caeb3a34dc3a05c0c96d3f9209
Cr-Commit-Position: refs/heads/master@{#416877}