MediaRecorder: use VideoTrackRecorder::GetPreferredCodecId() when available

content/renderer/media/media_recorder_handler.cc

Index: content/renderer/media/media_recorder_handler.cc
diff --git a/content/renderer/media/media_recorder_handler.cc b/content/renderer/media/media_recorder_handler.cc
index cea6710b159b6332dcdd7feea700c524ba27d134..92b1d693a1a103f9bd1678df224266190a569ae2 100644
--- a/content/renderer/media/media_recorder_handler.cc
+++ b/content/renderer/media/media_recorder_handler.cc
@@ -42,6 +42,8 @@ media::VideoCodec CodecIdToMediaVideoCodec(VideoTrackRecorder::CodecId id) {
       return media::kCodecVP9;
     case VideoTrackRecorder::CodecId::H264:
       return media::kCodecH264;
+    case VideoTrackRecorder::CodecId::LAST:
+      return media::kUnknownVideoCodec;
   }
   NOTREACHED() << "Unsupported codec";
   return media::kUnknownVideoCodec;
@@ -119,8 +121,7 @@ bool MediaRecorderHandler::initialize(
   UpdateWebRTCMethodCount(WEBKIT_MEDIA_STREAM_RECORDER);
 
   if (!canSupportMimeType(type, codecs)) {
-    DLOG(ERROR) << "Can't support " << type.utf8()
-                << ";codecs=" << codecs.utf8();
+    DLOG(ERROR) << "Unsupported " << type.utf8() << ";codecs=" << codecs.utf8();
     return false;
   }
 
@@ -136,6 +137,11 @@ bool MediaRecorderHandler::initialize(
   else if (codecs_str.find("avc1") != std::string::npos)
     codec_id_ = VideoTrackRecorder::CodecId::H264;
 #endif
+  else
+    codec_id_ = VideoTrackRecorder::GetPreferredCodec();
+
+  DVLOG_IF(1, codecs_str.empty()) << "Falling back to preferred codec id "
+                                  << static_cast<int>(codec_id_);
 
   media_stream_ = media_stream;
   DCHECK(client);