Use codec enum values instead of strings to initialize |media_format_map_|.

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 77 matching lines @@
   typedef std::map<std::string, CodecEntry> StringToCodecMappings;
 
   // Initializes the supported media types into hash sets for faster lookup.
   void InitializeMimeTypeMaps();
 
   // Initializes the supported media formats (|media_format_map_|).
   void AddSupportedMediaFormats();
 
   // Adds |mime_type| with the specified codecs to |media_format_map_|.
   void AddContainerWithCodecs(const std::string& mime_type,
-                              const std::string& codecs_list,
+                              const CodecSet& codecs_list,
                               bool is_proprietary_mime_type);
 
   // Returns IsSupported if all codec IDs in |codecs| are unambiguous and are
   // supported in |mime_type_lower_case|. MayBeSupported is returned if at least
   // one codec ID in |codecs| is ambiguous but all the codecs are supported.
   // IsNotSupported is returned if |mime_type_lower_case| is not supported or at
   // least one is not supported in |mime_type_lower_case|. |is_encrypted| means
   // the codec will be used with encrypted blocks.
   SupportsType AreSupportedCodecs(const CodecSet& supported_codecs,
                                   const std::vector<std::string>& codecs,
@@ skipping 53 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_