Remove remaining uses of KeySystemInfo and InitDataTypeMask

media/base/eme_constants.h

 // Copyright 2014 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_EME_CONSTANTS_H_
 #define MEDIA_BASE_EME_CONSTANTS_H_
 
 #include <stdint.h>
 
 namespace media {
 
 // Defines values that specify registered Initialization Data Types used
 // in Encrypted Media Extensions (EME).
 // http://w3c.github.io/encrypted-media/initdata-format-registry.html#registry
-// The mask values are stored in a InitDataTypeMask.
 enum class EmeInitDataType {
   UNKNOWN,
   WEBM,
   CENC,
   KEYIDS
 };
 
-typedef uint32_t InitDataTypeMask;
-const InitDataTypeMask kInitDataTypeMaskNone = 0;
-const InitDataTypeMask kInitDataTypeMaskWebM = 1 << 0;
-const InitDataTypeMask kInitDataTypeMaskCenc = 1 << 1;
-const InitDataTypeMask kInitDataTypeMaskKeyIds = 1 << 2;
-
 // Defines bitmask values that specify codecs used in Encrypted Media Extension
 // (EME). Each value represents a codec within a specific container.
 // The mask values are stored in a SupportedCodecs.
 enum EmeCodec {
   // *_ALL values should only be used for masking, do not use them to specify
   // codec support because they may be extended to include more codecs.
   EME_CODEC_NONE = 0,
   EME_CODEC_WEBM_OPUS = 1 << 0,
   EME_CODEC_WEBM_VORBIS = 1 << 1,
   EME_CODEC_WEBM_AUDIO_ALL = EME_CODEC_WEBM_OPUS | EME_CODEC_WEBM_VORBIS,
@@ skipping 99 matching lines @@
   // This rule only has meaning on platforms that distinguish hardware-secure
   // codecs (ie. Android).
   HW_SECURE_CODECS_REQUIRED,
   // The configuration option is supported without conditions.
   SUPPORTED,
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_EME_CONSTANTS_H_