Fix mimetype mappings for FLAC support.

media/base/mime_util_internal.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_BASE_MIME_UTIL_INTERNAL_H_
 #define MEDIA_BASE_MIME_UTIL_INTERNAL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 17 matching lines @@
   enum Codec {
     INVALID_CODEC,
     PCM,
     MP3,
     AC3,
     EAC3,
     MPEG2_AAC,
     MPEG4_AAC,
     VORBIS,
     OPUS,
+    FLAC,
     H264,
     HEVC,
     VP8,
     VP9,
     THEORA,
     LAST_CODEC = THEORA
   };
 
   // Platform configuration structure.  Controls which codecs are supported at
   // runtime.  Also used by tests to simulate platform differences.
@@ skipping 121 matching lines @@
   // Lookup table for string compare based string -> Codec mappings.
   StringToCodecMappings string_to_codec_map_;
 
   DISALLOW_COPY_AND_ASSIGN(MimeUtil);
 };
 
 }  // namespace internal
 }  // namespace media
 
 #endif  // MEDIA_BASE_MIME_UTIL_INTERNAL_H_