Chris Bracken 9154a5285b Move TestMetalContext/Surface to testing namespace (flutter/engine#56602)
The Metal context/surface code was only in the `flutter` namespace but should have been in `flutter::testing` for consistency with everything else in the `testing` directory.

Also squashes the declarations in the rest of that directory to match the style guide while I've got the macro still handy.

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
2024-11-15 02:36:17 +00:00
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