BrowserCdmManager: Do not pass MIME types as init_data_type.

content/common/media/cdm_messages.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.
 
 // IPC messages for content decryption module (CDM) implementation.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 #include "content/common/media/cdm_messages_enums.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/base/cdm_key_information.h"
 #include "media/base/media_keys.h"
 #include "url/gurl.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START CdmMsgStart
 
 IPC_ENUM_TRAITS_MAX_VALUE(media::CdmKeyInformation::KeyStatus,
                           media::CdmKeyInformation::KEY_STATUS_MAX)
 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaKeys::Exception,
                           media::MediaKeys::EXCEPTION_MAX)
 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaKeys::MessageType,
                           media::MediaKeys::MESSAGE_TYPE_MAX)
 IPC_ENUM_TRAITS_MAX_VALUE(CdmHostMsg_CreateSession_InitDataType,
-                          CREATE_SESSION_TYPE_LAST)
+                          INIT_DATA_TYPE_MAX)
 
 IPC_STRUCT_TRAITS_BEGIN(media::CdmKeyInformation)
   IPC_STRUCT_TRAITS_MEMBER(key_id)
   IPC_STRUCT_TRAITS_MEMBER(status)
   IPC_STRUCT_TRAITS_MEMBER(system_code)
 IPC_STRUCT_TRAITS_END()
 
 // Messages from render to browser.
 
 IPC_MESSAGE_CONTROL4(CdmHostMsg_InitializeCdm,
@@ skipping 71 matching lines @@
                     int /* cdm_id */,
                     uint32_t /* promise_id */,
                     std::string /* session_id */)
 
 IPC_MESSAGE_ROUTED5(CdmMsg_RejectPromise,
                     int /* cdm_id */,
                     uint32_t /* promise_id */,
                     media::MediaKeys::Exception /* exception */,
                     uint32_t /* system_code */,
                     std::string /* error_message */)