Rename RTCCodecStats.codec -> mimeType, parameters -> sdpFmtpLine.

webrtc/api/stats/rtcstats_objects.h

Index: webrtc/api/stats/rtcstats_objects.h
diff --git a/webrtc/api/stats/rtcstats_objects.h b/webrtc/api/stats/rtcstats_objects.h
index 29e2d7633ccad83b3b89a117cbc71f74ddd1084d..b07f54dcb4f503b1a531ac2b856c278fb3305090 100644
--- a/webrtc/api/stats/rtcstats_objects.h
+++ b/webrtc/api/stats/rtcstats_objects.h
@@ -87,12 +87,12 @@ class RTCCodecStats final : public RTCStats {
   ~RTCCodecStats() override;
 
   RTCStatsMember<uint32_t> payload_type;
-  RTCStatsMember<std::string> codec;
+  RTCStatsMember<std::string> mime_type;
   RTCStatsMember<uint32_t> clock_rate;
   // TODO(hbos): Collect and populate this value. https://bugs.webrtc.org/7061
   RTCStatsMember<uint32_t> channels;
   // TODO(hbos): Collect and populate this value. https://bugs.webrtc.org/7061
-  RTCStatsMember<std::string> parameters;
+  RTCStatsMember<std::string> sdp_fmtp_line;
   // TODO(hbos): Collect and populate this value. https://bugs.webrtc.org/7061
   RTCStatsMember<std::string> implementation;
 };