I updated CEF4Delphi to CEF 79.1.35 which includes Chromium 79.0.3945.130

The CEF4Delphi code has these changes :
- Added project groups to the demos with a secondary subprocess project.
- Added some conditional directives for MacOS (MACOS IS NOT SUPPORTED YET!)
- Removed some Windows dependencies in the FMXExternalPumpBrowser demo.
- Added TChromium.ParentFormHandle property.