0037a5c554
This is used in bootstrappers to set a source map provider within stack_trace_mapper.dart so that stack traces can be mapped to their Dart equivalent. Change-Id: If7dd7024cf8928f1b3a127599015107fcbafb2f4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/405245 Reviewed-by: Nicholas Shahan <nshahan@google.com> Auto-Submit: Srujan Gaddam <srujzs@google.com> Commit-Queue: Srujan Gaddam <srujzs@google.com>