Move KeySystemInfo to media.

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 CONTENT_PUBLIC_COMMON_EME_CONSTANTS_H_
-#define CONTENT_PUBLIC_COMMON_EME_CONSTANTS_H_
+#ifndef MEDIA_BASE_EME_CONSTANTS_H_
+#define MEDIA_BASE_EME_CONSTANTS_H_
 
 #include <stdint.h>
 
-namespace content {
+namespace media {
 
 // Defines bitmask values that specify registered initialization data types used
 // in Encrypted Media Extensions (EME).
 // The mask values are stored in a SupportedInitDataTypes.
 enum EmeInitDataType {
   EME_INIT_DATA_TYPE_NONE = 0,
   EME_INIT_DATA_TYPE_WEBM = 1 << 0,
 #if defined(USE_PROPRIETARY_CODECS)
   EME_INIT_DATA_TYPE_CENC = 1 << 1,
 #endif  // defined(USE_PROPRIETARY_CODECS)
@@ skipping 20 matching lines @@
   EME_CODEC_MP4_ALL = (EME_CODEC_MP4_AUDIO_ALL | EME_CODEC_MP4_VIDEO_ALL),
   EME_CODEC_ALL = (EME_CODEC_WEBM_ALL | EME_CODEC_MP4_ALL),
 #else
   EME_CODEC_ALL = EME_CODEC_WEBM_ALL,
 #endif  // defined(USE_PROPRIETARY_CODECS)
 };
 
 typedef uint32_t SupportedInitDataTypes;
 typedef uint32_t SupportedCodecs;
 
-}  // namespace content
+}  // namespace media
 
-#endif  // CONTENT_PUBLIC_COMMON_EME_CONSTANTS_H_
+#endif  // MEDIA_BASE_EME_CONSTANTS_H_