Create a new instance of CORSPolicy.
Values are set to match defaultPolicy.
Source
CORSPolicy() { var def = defaultPolicy; allowedOrigins = new List.from(def.allowedOrigins); allowCredentials = def.allowCredentials; exposedResponseHeaders = new List.from(def.exposedResponseHeaders); allowedMethods = new List.from(def.allowedMethods); allowedRequestHeaders = new List.from(def.allowedRequestHeaders); cacheInSeconds = def.cacheInSeconds; }