Various MimeUtil cleanups.

content/renderer/media/recorder/media_recorder_handler.cc

Index: content/renderer/media/recorder/media_recorder_handler.cc
diff --git a/content/renderer/media/recorder/media_recorder_handler.cc b/content/renderer/media/recorder/media_recorder_handler.cc
index 3c3d2e8787e48b478f083739b4a9ed65e638d09c..5322d77487b6b435cb7390d7c3244d5e80e44e2a 100644
--- a/content/renderer/media/recorder/media_recorder_handler.cc
+++ b/content/renderer/media/recorder/media_recorder_handler.cc
@@ -98,7 +98,7 @@ bool MediaRecorderHandler::canSupportMimeType(
       video ? arraysize(kVideoCodecs) : arraysize(kAudioCodecs);
 
   std::vector<std::string> codecs_list;
-  media::ParseCodecString(web_codecs.utf8(), &codecs_list, true /* strip */);
+  media::SplitCodecsToVector(web_codecs.utf8(), &codecs_list, true /* strip */);
   for (const auto& codec : codecs_list) {
     auto* const* found = std::find_if(
         &codecs[0], &codecs[codecs_count], [&codec](const char* name) {