https://dart.googlesource.com/sdk.git/+log/843bd2990881..f96c48307d14

git log 843bd2990881..f96c48307d14 --date=short --first-parent --format='%ad %ae %s'
2020-01-17 jcollins@google.com First version of the ecosystem steamroller.
2020-01-17 aam@google.com Reland "[vm/fieldtable] Move current field values out of Field object into separate table."
2020-01-17 gityuan@gmail.com Support timeline conversion to iOS platform trace
2020-01-17 johnniwinther@google.com [cfe] Remove use of '--strong'
2020-01-17 jwren@google.com Improve the ExpectedCompletionsVisitor for the getter and setter cases, this improves the number of successful completions to 90.8% from 75.7% for analyzer_cli
2020-01-17 scheglov@google.com Use NullableDereferenceVerifier in BoolExpressionVerifier.
2020-01-17 vsm@google.com Restore looser type on JSArray.indexOf
2020-01-17 whesse@google.com [infra] Send the buildbucket id when uploading results to pubsub
2020-01-17 johnniwinther@google.com [cfe] Provide file offset on StringConcatenation
2020-01-17 johnniwinther@google.com [cfe] Ensure internal fields for late lowering are not overridden.

Created with:
  gclient setdep -r src/third_party/dart@f96c48307d14

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com