Eliminate DSLType::StructType.

This was a simple wrapper which called Type::MakeStructType,
followed by SymbolTable::add. The two callers of StructType now
just invoke these functions directly.

Change-Id: Ibf2bf366693ee2f75f35d9447916e1ced69ee4f7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/697616
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
4 files changed