void WebRuntimeFeatures::enablePrefixedEncryptedMedia(bool enable)
{
    RuntimeEnabledFeatures::setPrefixedEncryptedMediaEnabled(enable);
    RuntimeEnabledFeatures::setEncryptedMediaAnyVersionEnabled(
        RuntimeEnabledFeatures::encryptedMediaEnabled()
        || RuntimeEnabledFeatures::prefixedEncryptedMediaEnabled());
}

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.