This benckmark complements the existing `Utf8Decode` benchmarks by exploring different scenarios. There are three axes of variation - input complexity, conversion type, and polymorphism.
Change-Id: I06706e8efd1b254d65c7abee9f29e6d0b10923ed
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/335504
Reviewed-by: Ömer Ağacan <omersa@google.com>
Commit-Queue: Stephen Adams <sra@google.com>