requestMediaKeySystemAccess 方法

Future requestMediaKeySystemAccess(
  1. String keySystem,
  2. List<Map> supportedConfigurations
)

实现

Future requestMediaKeySystemAccess(
        String keySystem, List<Map> supportedConfigurations) =>
    promiseToFuture(JS(
        "creates:MediaKeySystemAccess;",
        "#.requestMediaKeySystemAccess(#, #)",
        this,
        keySystem,
        supportedConfigurations));