media: Use native CDM enum types in media mojo interfaces

content/common/media/cdm_messages_enums.h

Index: content/common/media/cdm_messages_enums.h
diff --git a/content/common/media/cdm_messages_enums.h b/content/common/media/cdm_messages_enums.h
deleted file mode 100644
index c87eb137c7b536fd19f1ec41b489c9c8cf0153ce..0000000000000000000000000000000000000000
--- a/content/common/media/cdm_messages_enums.h
+++ /dev/null
@@ -1,16 +0,0 @@
-// 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_COMMON_MEDIA_CDM_MESSAGES_ENUMS_H_
-#define CONTENT_COMMON_MEDIA_CDM_MESSAGES_ENUMS_H_
-
-// The Initialization Data Type when a request is generated.
-// TODO(ddorwin): Replace this with a generic constant. See crbug.com/417440#c9.
-enum CdmHostMsg_CreateSession_InitDataType {
-  INIT_DATA_TYPE_WEBM,
-  INIT_DATA_TYPE_CENC,
-  INIT_DATA_TYPE_MAX = INIT_DATA_TYPE_CENC
-};
-
-#endif  // CONTENT_COMMON_MEDIA_CDM_MESSAGES_ENUMS_H_