Unify VideoCodecType to/from string functionality

webrtc/media/engine/internalencoderfactory.cc

Index: webrtc/media/engine/internalencoderfactory.cc
diff --git a/webrtc/media/engine/internalencoderfactory.cc b/webrtc/media/engine/internalencoderfactory.cc
index 4c9801544744c4b61fb3fcdb434217bab48954c6..f74d8297bf649de6e3ff61b19c1409d742eb2f3f 100644
--- a/webrtc/media/engine/internalencoderfactory.cc
+++ b/webrtc/media/engine/internalencoderfactory.cc
@@ -43,7 +43,10 @@ InternalEncoderFactory::~InternalEncoderFactory() {}
 // WebRtcVideoEncoderFactory implementation.
 webrtc::VideoEncoder* InternalEncoderFactory::CreateVideoEncoder(
     const cricket::VideoCodec& codec) {
-  switch (CodecTypeFromName(codec.name)) {
+  const webrtc::VideoCodecType codec_type =
+      webrtc::PayloadNameToCodecType(codec.name)
+          .value_or(webrtc::kVideoCodecUnknown);
+  switch (codec_type) {
     case webrtc::kVideoCodecH264:
       return webrtc::H264Encoder::Create();
     case webrtc::kVideoCodecVP8: