Cast: report min latency back to extension

chrome/renderer/extensions/cast_streaming_native_handler.cc

Index: chrome/renderer/extensions/cast_streaming_native_handler.cc
diff --git a/chrome/renderer/extensions/cast_streaming_native_handler.cc b/chrome/renderer/extensions/cast_streaming_native_handler.cc
index 4db1ca5653eb7ed2c81de43318d9dabaf6489b65..b923ca49013f623c84a0c269098345f1ed3e9063 100644
--- a/chrome/renderer/extensions/cast_streaming_native_handler.cc
+++ b/chrome/renderer/extensions/cast_streaming_native_handler.cc
@@ -111,6 +111,7 @@ void FromCastRtpPayloadParams(const CastRtpPayloadParams& cast_params,
                               RtpPayloadParams* ext_params) {
   ext_params->payload_type = cast_params.payload_type;
   ext_params->max_latency = cast_params.max_latency_ms;
+  ext_params->min_latency.reset(new int(cast_params.min_latency_ms));
   ext_params->codec_name = cast_params.codec_name;
   ext_params->ssrc = cast_params.ssrc;
   ext_params->feedback_ssrc = cast_params.feedback_ssrc;