Revert "[vm/ffi] Add common C types"

This reverts commit 85a87ca7ae6c9f028a0cbf6d8de3563b9a19b8e7.

Reason for revert: 

* Adding `Char` breaks `package:win32` which is used in Flutter so it
breaks the Flutter build:
https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8824468064587445729/+/u/Android_Views_Integration_Tests/stdout

For reference: full list of Flutter failues:
https://github.com/flutter/flutter/runs/4890844911

Original change's description:
> [vm/ffi] Add common C types
>
> We're adding these types to `dart:ffi` rather than `package:ffi` so that
> they can be used with `FfiNative`s.
>
> Adds `NativeType`s for the following C types:
>
> * char
> * unsigned char
> * signed char
> * short
> * unsigned short
> * int
> * unsigned int
> * long
> * unsigned long
> * long long
> * unsigned long long
> * uintptr_t
> * size_t
> * wchar_t
>
> Because the C standard only defines minimum sizes for many of these
> types, future platforms might diverge from the typical size even if all
> platforms currently agree on a size. To avoid having to reification
> later, we define all types as AbiSpecificIntegers rather than typedefs,
> even if all current target platforms agree on the size.
>
> Closes: https://github.com/dart-lang/sdk/issues/36140
>
> TEST=tests/ffi/c_types_test.dart
>
> Change-Id: Ie97d253856d787386529231e8060f879069be886
> Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-try,vm-ffi-android-debug-arm64c-try,vm-ffi-android-debug-arm-try,vm-canary-linux-debug-try,vm-fuchsia-release-x64-try,vm-kernel-gcc-linux-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-mac-debug-x64-try,vm-kernel-mac-release-arm64-try,vm-kernel-nnbd-win-release-ia32-try,vm-kernel-nnbd-win-release-x64-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-win-release-x64-try
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/228541
> Reviewed-by: Martin Kustermann <kustermann@google.com>

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: Ic56df88c653b1395ed5e5a71af5e571b1adc3671
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/229152
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
43 files changed
tree: 196a570f251299e181d6c8e668e0ae5a36d23595
  1. .dart_tool/
  2. .github/
  3. benchmarks/
  4. build/
  5. docs/
  6. pkg/
  7. runtime/
  8. samples/
  9. samples-dev/
  10. samples_2/
  11. sdk/
  12. tests/
  13. third_party/
  14. tools/
  15. utils/
  16. .clang-format
  17. .gitattributes
  18. .gitconfig
  19. .gitignore
  20. .gn
  21. .mailmap
  22. .packages
  23. .style.yapf
  24. .vpython
  25. AUTHORS
  26. BUILD.gn
  27. CHANGELOG.md
  28. codereview.settings
  29. CONTRIBUTING.md
  30. DEPS
  31. LICENSE
  32. PATENT_GRANT
  33. PRESUBMIT.py
  34. README.dart-sdk
  35. README.md
  36. sdk_args.gni
  37. SECURITY.md
  38. WATCHLISTS
README.md

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