Move rtp-specific config out of EncoderSettings.

In VideoSendStream::Config, move payload_name and payload_type from
EncoderSettings to Rtp.

EncoderSettings now contains configuration for VideoStreamEncoder only,
and should perhaps be renamed in a follow up cl. It's no longer
passed as an argument to VideoCodecInitializer::SetupCodec.

The latter then needs a different way to know the codec type,
which is provided by a new codec_type member in VideoEncoderConfig.

Bug: webrtc:8830
Change-Id: Ifcc691aef1ee6a95e43c0452c5e630d92a511cd6
Reviewed-on: https://webrtc-review.googlesource.com/62062
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22532}
diff --git a/modules/video_coding/video_codec_initializer_unittest.cc b/modules/video_coding/video_codec_initializer_unittest.cc
index 4e99fbb..6dd82c1 100644
--- a/modules/video_coding/video_codec_initializer_unittest.cc
+++ b/modules/video_coding/video_codec_initializer_unittest.cc
@@ -19,8 +19,6 @@
 namespace webrtc {
 
 namespace {
-static const char* kVp8PayloadName = "VP8";
-static const int kVp8PayloadType = 100;
 static const int kDefaultWidth = 1280;
 static const int kDefaultHeight = 720;
 static const int kDefaultFrameRate = 30;
@@ -49,6 +47,8 @@
                 int num_temporal_streams,
                 bool screenshare) {
     config_ = VideoEncoderConfig();
+    config_.codec_type = type;
+
     if (screenshare) {
       config_.min_transmit_bitrate_bps = kDefaultMinTransmitBitrateBps;
       config_.content_type = VideoEncoderConfig::ContentType::kScreen;
@@ -60,8 +60,6 @@
       vp8_settings.numberOfTemporalLayers = num_temporal_streams;
       config_.encoder_specific_settings = new rtc::RefCountedObject<
           webrtc::VideoEncoderConfig::Vp8EncoderSpecificSettings>(vp8_settings);
-      settings_.payload_name = kVp8PayloadName;
-      settings_.payload_type = kVp8PayloadType;
     } else if (type == VideoCodecType::kVideoCodecMultiplex) {
     } else {
       ADD_FAILURE() << "Unexpected codec type: " << type;
@@ -72,8 +70,8 @@
     codec_out_ = VideoCodec();
     bitrate_allocator_out_.reset();
     temporal_layers_.clear();
-    if (!VideoCodecInitializer::SetupCodec(config_, settings_, streams_,
-                                           nack_enabled_, &codec_out_,
+    if (!VideoCodecInitializer::SetupCodec(config_, streams_, nack_enabled_,
+                                           &codec_out_,
                                            &bitrate_allocator_out_)) {
       return false;
     }
@@ -117,7 +115,6 @@
 
   // Input settings.
   VideoEncoderConfig config_;
-  VideoSendStream::Config::EncoderSettings settings_;
   std::vector<VideoStream> streams_;
   bool nack_enabled_;