Rename TINT_INSTANTIATE_CLASS_ID()

to TINT_INSTANTIATE_TYPEINFO()

ClassID isn't a thing any more.

Change-Id: Ie1c0d4a95e58ef7166d3cab5ef733a2dfc702345
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/42921
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
diff --git a/src/ast/discard_statement.cc b/src/ast/discard_statement.cc
index 9deed12..e4a2c85 100644
--- a/src/ast/discard_statement.cc
+++ b/src/ast/discard_statement.cc
@@ -17,7 +17,7 @@
 #include "src/clone_context.h"
 #include "src/program_builder.h"
 
-TINT_INSTANTIATE_CLASS_ID(tint::ast::DiscardStatement);
+TINT_INSTANTIATE_TYPEINFO(tint::ast::DiscardStatement);
 
 namespace tint {
 namespace ast {