nit: Use make_unique in rtp_video_stream_receiver.cc

Bug: None
Change-Id: I5b844cbb5be94c3b7a1866b4f5ba09087701dd97
Reviewed-on: https://webrtc-review.googlesource.com/c/109563
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25519}

video/rtp_video_stream_receiver.cc

diff --git a/video/rtp_video_stream_receiver.cc b/video/rtp_video_stream_receiver.cc
index abf88d4..8383c07 100644
--- a/video/rtp_video_stream_receiver.cc
+++ b/video/rtp_video_stream_receiver.cc
@@ -149,8 +149,8 @@
   process_thread_->RegisterModule(rtp_rtcp_.get(), RTC_FROM_HERE);
 
   if (config_.rtp.nack.rtp_history_ms != 0) {
-    nack_module_.reset(
-        new NackModule(clock_, nack_sender, keyframe_request_sender));
+    nack_module_ = absl::make_unique<NackModule>(clock_, nack_sender,
+                                                 keyframe_request_sender);
     process_thread_->RegisterModule(nack_module_.get(), RTC_FROM_HERE);
   }
 
@@ -170,7 +170,8 @@
 
   packet_buffer_ = video_coding::PacketBuffer::Create(
       clock_, kPacketBufferStartSize, packet_buffer_max_size, this);
-  reference_finder_.reset(new video_coding::RtpFrameReferenceFinder(this));
+  reference_finder_ =
+      absl::make_unique<video_coding::RtpFrameReferenceFinder>(this);
 }
 
 RtpVideoStreamReceiver::~RtpVideoStreamReceiver() {