fix variable naming in ReportSdpFormatReceived

it no longer reports just offers.

BUG=chromium:857004

Change-Id: Idf35b6fa98f3ee6637aeef6b11553947fea3ee25
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/202249
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <philipp.hancke@googlemail.com>
Cr-Commit-Position: refs/heads/master@{#33024}
diff --git a/pc/peer_connection.cc b/pc/peer_connection.cc
index eb68a5b..b5af735 100644
--- a/pc/peer_connection.cc
+++ b/pc/peer_connection.cc
@@ -2269,12 +2269,13 @@
 }
 
 void PeerConnection::ReportSdpFormatReceived(
-    const SessionDescriptionInterface& remote_offer) {
+    const SessionDescriptionInterface& remote_description) {
   int num_audio_mlines = 0;
   int num_video_mlines = 0;
   int num_audio_tracks = 0;
   int num_video_tracks = 0;
-  for (const ContentInfo& content : remote_offer.description()->contents()) {
+  for (const ContentInfo& content :
+       remote_description.description()->contents()) {
     cricket::MediaType media_type = content.media_description()->type();
     int num_tracks = std::max(
         1, static_cast<int>(content.media_description()->streams().size()));
@@ -2294,7 +2295,7 @@
   } else if (num_audio_tracks > 0 || num_video_tracks > 0) {
     format = kSdpFormatReceivedSimple;
   }
-  switch (remote_offer.GetType()) {
+  switch (remote_description.GetType()) {
     case SdpType::kOffer:
       // Historically only offers were counted.
       RTC_HISTOGRAM_ENUMERATION("WebRTC.PeerConnection.SdpFormatReceived",
@@ -2306,7 +2307,7 @@
       break;
     default:
       RTC_LOG(LS_ERROR) << "Can not report SdpFormatReceived for "
-                        << SdpTypeToString(remote_offer.GetType());
+                        << SdpTypeToString(remote_description.GetType());
       break;
   }
 }
diff --git a/pc/peer_connection.h b/pc/peer_connection.h
index 8768ebb..65d893e 100644
--- a/pc/peer_connection.h
+++ b/pc/peer_connection.h
@@ -379,8 +379,9 @@
   void SetIceConnectionState(IceConnectionState new_state);
   void NoteUsageEvent(UsageEvent event);
 
-  // Report the UMA metric SdpFormatReceived for the given remote offer.
-  void ReportSdpFormatReceived(const SessionDescriptionInterface& remote_offer);
+  // Report the UMA metric SdpFormatReceived for the given remote description.
+  void ReportSdpFormatReceived(
+      const SessionDescriptionInterface& remote_description);
 
   // Returns true if the PeerConnection is configured to use Unified Plan
   // semantics for creating offers/answers and setting local/remote