tree 1e08aeac480a184bba68d2c3a2e0d82bd67fea74
parent 3cc3548f2c37378658c5cad509c7d956c5292b11
author Ivan Frade <ifrade@google.com> 1700082168 -0800
committer Ivan Frade <ifrade@google.com> 1700082168 -0800

Common.soy: make explictely nullable the css parameter

To help with later changes in Soy, we are marking optional parameters
explicitely as nullable.

Change-Id: I94703c6fd28457a997a877fd0b88157e445f5095