Chris Bracken 3e6137c8ec Migrate string encoding conversions to FML (flutter/engine#31334) ...

We've implemented UTF-8/UTF-16 string encoding conversions in multiple
places, from FML to //flutter/shell/platform/common, to the individual
embedders. This migrates these conversions to FML and adds tests.

Windows APIs use wchar_t-based strings and as a result, we continue to
keep Windows-specific functions in fml/platform/win/wstring_conversion.h.

We break out string_conversions into its own source set since FML brings
with it some Dart dependencies (e.g. dart_timestamp_provider.cc) that
are unused by some targets such as uwptool.exe in the Windows UWP
embedding.

Issue: https://github.com/flutter/flutter/issues/98061

2022-02-09 22:59:48 -08:00

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src/flutter

Migrate string encoding conversions to FML (flutter/engine#31334)

2022-02-09 22:59:48 -08:00