f87723a638
This is to reduce size of Debugger class, simplify splitting it into isolate and isolate_group parts. There is no functional change in this cl. Issue https://github.com/dart-lang/sdk/issues/36097 TEST=existing tests, no functional changes, refactoring. Change-Id: I3199a7a791dc6c8d1d22e83f7d88911e4cf5fac6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/186021 Commit-Queue: Alexander Aprelev <aam@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com>