Chris Bracken 63b7d5be9d Revert dart rolls (flutter/engine#7913)
* Roll back three Dart SDK rolls

Revert "Roll src/third_party/dart 75ee523f91..4cff5a4fd6 (6 commits)"
Revert "Roll src/third_party/dart 5ddd157809..75ee523f91 (19 commits)"
Revert "Roll src/third_party/dart c92d5ca288..5ddd157809 (153 commits)"

`pub upgrade` appears to fail 100% reproducibly on broken on Windows.
This rollback rolls back both what appears to be the breaking roll (3054041)
and the following roll.

This reverts commit def753db2d3ef3535dbb943145e49d762a77277a.
This reverts commit 78d8e3acc59bbabd229238c33586d7f9e6508963.
This reverts commit 3054041500d4ec15be6c92c42c906e7e59cae725.

* Revert "Revert "Revert "Remove unnecessary entry-point closurization. (#7827)" (#7876)" (#7904)"

This reverts commit 8fe68c494007c9d25d7396f0e5952d2f921c6d25.
2019-02-21 16:53:20 -08:00
..