c944fc1db1
JsTracer has been replaced in non-test code with an online tracer that is faster and more memory efficient. Some test/support code still uses the original tracer. Update this code to use the newer online tracer. Change-Id: I576ab38801044da8457719070eb5765bfcdc5ff0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/331020 Commit-Queue: Nate Biggs <natebiggs@google.com> Reviewed-by: Stephen Adams <sra@google.com>