+paulmeyer - could you provide a pointer for how to add freezing intervention to reporting API. I know this feature (reporting for Interventions) is under development, but any pointers will be helpful. Thanks.

Wherever the code is that sends a message to the console for that intervention, replace that with a call to Intervention::GenerateReport().

https://cs.chromium.org/chromium/src/third_party/blink/renderer/core/frame/intervention.cc?rcl=83ddd10bcd99fe8b7a2dd8823417bad71877bed2&l=21

This will both send the message to the console AND generate/route the intervention report to the right places. 

Thanks for helping to get all the interventions routed properly! :)