Reland "Reland "Move rtp-specific config out of EncoderSettings.""

This reverts commit 6c2c13af06b32778b86950681758a7970d1c5d9e.

Reason for revert: Intend to investigate and fix perf problems.

Original change's description:
> Revert "Reland "Move rtp-specific config out of EncoderSettings.""
> 
> This reverts commit 04dd1768625eb2241d1fb97fd0137897e703e266.
> 
> Reason for revert: Regression in ramp up perf tests.
> 
> Original change's description:
> > Reland "Move rtp-specific config out of EncoderSettings."
> >
> > This is a reland of bc900cb1d1810fcf678fe41cf1e3966daa39c88c
> >
> > Original change's description:
> > > 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}
> >
> > Bug: webrtc:8830
> > Change-Id: If88ef7d57cdaa4fae3c7b2a97ea5a6e1b833e019
> > Reviewed-on: https://webrtc-review.googlesource.com/63721
> > Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
> > Reviewed-by: Stefan Holmer <stefan@webrtc.org>
> > Commit-Queue: Niels Moller <nisse@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#22595}
> 
> TBR=brandtr@webrtc.org,magjed@webrtc.org,nisse@webrtc.org,stefan@webrtc.org
> 
> Bug: webrtc:8830,chromium:827080
> Change-Id: Iaaf146de91ec5c0d741b8efdf143f7e173084fef
> Reviewed-on: https://webrtc-review.googlesource.com/65520
> Commit-Queue: Niels Moller <nisse@webrtc.org>
> Reviewed-by: Niels Moller <nisse@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#22677}

TBR=brandtr@webrtc.org,magjed@webrtc.org,nisse@webrtc.org,stefan@webrtc.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: webrtc:8830, chromium:827080
Change-Id: I9b62987bf5daced90dfeb3ebb6739c80117c487f
Reviewed-on: https://webrtc-review.googlesource.com/66862
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22751}
diff --git a/modules/video_coding/include/video_codec_initializer.h b/modules/video_coding/include/video_codec_initializer.h
index 9b91aa9..498cb3d 100644
--- a/modules/video_coding/include/video_codec_initializer.h
+++ b/modules/video_coding/include/video_codec_initializer.h
@@ -13,8 +13,10 @@
 
 #include <memory>
 #include <string>
+#include <utility>
 #include <vector>
 
+#include "call/video_config.h"
 #include "call/video_send_stream.h"
 
 namespace webrtc {
@@ -33,12 +35,25 @@
   // GetBitrateAllocator is called implicitly from here, no need to call again.
   static bool SetupCodec(
       const VideoEncoderConfig& config,
-      const VideoSendStream::Config::EncoderSettings settings,
       const std::vector<VideoStream>& streams,
       bool nack_enabled,
       VideoCodec* codec,
       std::unique_ptr<VideoBitrateAllocator>* bitrate_allocator);
 
+  // TODO(nisse): Deprecated version, with an additional ignored argument.
+  // Delete as soon as downstream users are updated, together with above
+  // includes of "call/video_send_stream.h" and <utility>.
+  static bool SetupCodec(
+      const VideoEncoderConfig& config,
+      const VideoSendStream::Config::EncoderSettings /* settings */,
+      const std::vector<VideoStream>& streams,
+      bool nack_enabled,
+      VideoCodec* codec,
+      std::unique_ptr<VideoBitrateAllocator>* bitrate_allocator) {
+    return SetupCodec(config, streams, nack_enabled, codec,
+                      std::move(bitrate_allocator));
+}
+
   // Create a bitrate allocator for the specified codec. |tl_factory| is
   // optional, if it is populated, ownership of that instance will be
   // transferred to the VideoBitrateAllocator instance.
@@ -49,8 +64,6 @@
   static VideoCodec VideoEncoderConfigToVideoCodec(
       const VideoEncoderConfig& config,
       const std::vector<VideoStream>& streams,
-      // TODO(nisse): Delete when we can rely on config.codec_type.
-      VideoCodecType codec_type,
       bool nack_enabled);
 };