Implement a framework for exposing experimental features in the browser, but only to specific/registered origins, for limited duration and subject to global usage caps.
Docs: https://github.com/GoogleChrome/OriginTrials/blob/gh-pages/explainer.md https://github.com/GoogleChrome/OriginTrials/blob/gh-pages/developer-guide.md https://docs.google.com/document/d/1qVP2CK1lbfmtIJRIm6nwuEFFhGhYbtThLQPo3CSTtmg/edit?usp=sharing