Migrating MediaSession messages to mojo

content/common/media/media_session_messages_android.h

Index: content/common/media/media_session_messages_android.h
diff --git a/content/common/media/media_session_messages_android.h b/content/common/media/media_session_messages_android.h
deleted file mode 100644
index af2b474baf49762194d65456c1585102d51fb5d7..0000000000000000000000000000000000000000
--- a/content/common/media/media_session_messages_android.h
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2015 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 the Media Session API.
-// Multiply-included message file, hence no include guard.
-
-#include "base/optional.h"
-#include "content/common/android/gin_java_bridge_errors.h"
-#include "content/common/content_export.h"
-#include "content/public/common/media_metadata.h"
-#include "ipc/ipc_message_macros.h"
-
-#undef IPC_MESSAGE_EXPORT
-#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
-#define IPC_MESSAGE_START MediaSessionMsgStart
-
-IPC_STRUCT_TRAITS_BEGIN(content::MediaMetadata)
-  IPC_STRUCT_TRAITS_MEMBER(title)
-  IPC_STRUCT_TRAITS_MEMBER(artist)
-  IPC_STRUCT_TRAITS_MEMBER(album)
-  IPC_STRUCT_TRAITS_MEMBER(artwork)
-IPC_STRUCT_TRAITS_END()
-
-// Messages for notifying the render process of media session status -------
-
-IPC_MESSAGE_ROUTED2(MediaSessionMsg_DidActivate,
-                    int /* request_id */,
-                    bool /* success */)
-
-IPC_MESSAGE_ROUTED1(MediaSessionMsg_DidDeactivate, int /* request_id */)
-
-// Messages for controlling the media session in browser process ----------
-
-IPC_MESSAGE_ROUTED2(MediaSessionHostMsg_Activate,
-                    int /* session_id */,
-                    int /* request_id */)
-
-IPC_MESSAGE_ROUTED2(MediaSessionHostMsg_Deactivate,
-                    int /* session_id */,
-                    int /* request_id */)
-
-IPC_MESSAGE_ROUTED2(MediaSessionHostMsg_SetMetadata,
-                    int /* request_id*/,
-                    base::Optional<content::MediaMetadata> /* metadata */)