1 files changed, 3 insertions, 4 deletions
diff --git a/content/browser/renderer_host/media/midi_host.cc b/content/browser/renderer_host/media/midi_host.cc
index 9c85b73..c55022b 100644
--- a/content/browser/renderer_host/media/midi_host.cc
+++ b/content/browser/renderer_host/media/midi_host.cc
@@ -67,14 +67,13 @@ void MidiHost::OnDestruct() const {
 }
 
 // IPC Messages handler
-bool MidiHost::OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) {
+bool MidiHost::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(MidiHost, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(MidiHost, message)
     IPC_MESSAGE_HANDLER(MidiHostMsg_StartSession, OnStartSession)
     IPC_MESSAGE_HANDLER(MidiHostMsg_SendData, OnSendData)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
 
   return handled;
 }