Unify VideoCodecType to/from string functionality

webrtc/media/base/codec.cc

 /*
  *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 306 matching lines @@
 }
 
 bool CodecNamesEq(const std::string& name1, const std::string& name2) {
   return CodecNamesEq(name1.c_str(), name2.c_str());
 }
 
 bool CodecNamesEq(const char* name1, const char* name2) {
   return _stricmp(name1, name2) == 0;
 }
 
-webrtc::VideoCodecType CodecTypeFromName(const std::string& name) {
-  if (CodecNamesEq(name.c_str(), kVp8CodecName)) {
-    return webrtc::kVideoCodecVP8;
-  } else if (CodecNamesEq(name.c_str(), kVp9CodecName)) {
-    return webrtc::kVideoCodecVP9;
-  } else if (CodecNamesEq(name.c_str(), kH264CodecName)) {
-    return webrtc::kVideoCodecH264;
-  }
-  return webrtc::kVideoCodecUnknown;
-}
-
 const VideoCodec* FindMatchingCodec(
     const std::vector<VideoCodec>& supported_codecs,
     const VideoCodec& codec) {
   for (const VideoCodec& supported_codec : supported_codecs) {
     if (!CodecNamesEq(codec.name, supported_codec.name))
       continue;
     if (CodecNamesEq(codec.name.c_str(), kH264CodecName) &&
         !IsSameH264Profile(codec.params, supported_codec.params)) {
       continue;
     }
     return &supported_codec;
   }
   return nullptr;
 }
 
 }  // namespace cricket