Revert "Revert "Removed name string field from SkSLType""

This reverts commit 917fef7ba76b3f97d98f9bd1f99415a7e2710033.

Change-Id: I68aeff69cc59bdd185ac79465eaba7215c01413a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/433176
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
9 files changed