Pass InitializeCDM() call through IPC to the browser.

content/common/media/media_player_messages_android.h

 // Copyright (c) 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.
 
 // IPC messages for android media player.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 
 #include "base/time.h"
@@ skipping 197 matching lines @@
 // Notify the player about the external surface, requesting it if necessary.
 IPC_MESSAGE_ROUTED3(MediaPlayerHostMsg_NotifyExternalSurface,
                     int /* player_id */,
                     bool /* is_request */,
                     gfx::RectF /* rect */)
 
 #endif
 
 // Messages for encrypted media extensions API ------------------------------
 
+IPC_MESSAGE_ROUTED2(MediaPlayerHostMsg_InitializeCDM,
+                    int /* media_keys_id */,
+                    std::vector<uint8> /* uuid */)
+
 IPC_MESSAGE_ROUTED3(MediaPlayerHostMsg_GenerateKeyRequest,

[ddorwin, 2013/06/20 22:07:01]

Should the prefix be changed to MediaKeysHostMsg?

[xhwang, 2013/06/21 00:50:13]

Done.

-                    int /* player_id */,
+                    int /* media_keys_id */,
                     std::string /* type */,
                     std::vector<uint8> /* init_data */)
 
 IPC_MESSAGE_ROUTED4(MediaPlayerHostMsg_AddKey,
-                    int /* player_id */,
+                    int /* media_keys_id */,
                     std::vector<uint8> /* key */,
                     std::vector<uint8> /* init_data */,
                     std::string /* session_id */)
 
 IPC_MESSAGE_ROUTED2(MediaPlayerHostMsg_CancelKeyRequest,
-                    int /* player_id */,
+                    int /* media_keys_id */,
                     std::string /* session_id */)
 
 IPC_MESSAGE_ROUTED2(MediaPlayerMsg_KeyAdded,
-                    int /* player_id */,
+                    int /* media_keys_id */,
                     std::string /* session_id */)
 
 IPC_MESSAGE_ROUTED4(MediaPlayerMsg_KeyError,
-                    int /* player_id */,
+                    int /* media_keys_id */,
                     std::string /* session_id */,
                     media::MediaKeys::KeyError /* error_code */,
                     int /* system_code */)
 
 IPC_MESSAGE_ROUTED4(MediaPlayerMsg_KeyMessage,
-                    int /* player_id */,
+                    int /* media_keys_id */,
                     std::string /* session_id */,
                     std::string /* message */,
                     std::string /* destination_url */)
 
 // NeedKey is fired and handled in the renderer. Hence no message is needed.