1d8bef0d89
The abstract class TypeInferenceEngineImpl does not really serve any purpose, so remove it. If nothing else, it makes it easier to understand what is going on and change things. Change-Id: I9aabcb041b3fbc7d5b7b63dfef9effeb73a6bab8 Reviewed-on: https://dart-review.googlesource.com/57822 Reviewed-by: Peter von der Ahé <ahe@google.com> Commit-Queue: Kevin Millikin <kmillikin@google.com>