Bruno Leroux 6162b4211f [Windows] Expose channel buffers 'resize' and 'overflow' control commands exposed by the control channel. (flutter/engine#47158) ...

## Description

This PR adds two helper functions to invoke the 'resize' and 'overflow' commands exposed by the control channel.
See:

c00c022036/lib/ui/channel_buffers.dart (L302-L309)

Implementation based on the discussion from https://github.com/flutter/engine/pull/46998.

## Related Issue

Windows implementation for https://github.com/flutter/flutter/issues/132386

## Tests

Adds 4 tests.

2023-12-14 15:56:56 +00:00

..

src/flutter

[Windows] Expose channel buffers 'resize' and 'overflow' control commands exposed by the control channel. (flutter/engine#47158)

2023-12-14 15:56:56 +00:00