[dart:io] Switch ProcessStartMode back to an enum

Switching ProcessStartMode back to an enum due to problems with
package:process (https://github.com/google/process.dart/blob/master/lib/src/record_replay/run_manifest_entry.dart#L11)

Change-Id: I7db55a6a2107c9469d264e0539844363d729e0bf
Reviewed-on: https://dart-review.googlesource.com/54063
Commit-Queue: Zach Anderson <zra@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2 files changed
tree: 8c23ae9980a19c5ee52504b1be8a9bdc4658e99b
  1. .github/
  2. build/
  3. client/
  4. docs/
  5. pkg/
  6. runtime/
  7. samples/
  8. samples-dev/
  9. sdk/
  10. tests/
  11. third_party/
  12. tools/
  13. utils/
  14. .clang-format
  15. .gitattributes
  16. .gitignore
  17. .gn
  18. .mailmap
  19. .packages
  20. AUTHORS
  21. BUILD.gn
  22. CHANGELOG.md
  23. codereview.settings
  24. dartdoc_options.yaml
  25. DEPS
  26. LICENSE
  27. PATENTS
  28. PRESUBMIT.py
  29. README.dart-sdk
  30. README.md
  31. WATCHLISTS
README.md

Dart

Dart is an open-source, scalable programming language, with robust libraries and runtimes, for building web, server, and mobile apps.

Using Dart

Visit the dartlang.org to learn more about the language, tools, getting started, and more.

Browse pub.dartlang.org for more packages and libraries contributed by the community and the Dart team.

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If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

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You can also contribute patches, as described in Contributing.

License & patents

See LICENSE and PATENTS.