Web MIDI: move device state adjustment code from content to Blink

content/renderer/media/midi_message_filter.h

Index: content/renderer/media/midi_message_filter.h
diff --git a/content/renderer/media/midi_message_filter.h b/content/renderer/media/midi_message_filter.h
index aabca4fb9dd36d03c1067011d8fa17fabb6e89c0..435609c79f71c6a62e7e22bd719e2396e210dbf5 100644
--- a/content/renderer/media/midi_message_filter.h
+++ b/content/renderer/media/midi_message_filter.h
@@ -54,15 +54,6 @@ class CONTENT_EXPORT MidiMessageFilter : public IPC::MessageFilter {
     return io_task_runner_.get();
   }
 
-  static midi::mojom::PortState ToBlinkState(midi::mojom::PortState state) {
-    // "open" status is separately managed by blink per MIDIAccess instance.
-    // TODO(toyoshim): Pass through the state as is, and have a logic to convert
-    // this state to JavaScript exposing state in Blink side.
-    if (state == midi::mojom::PortState::OPENED)
-      return midi::mojom::PortState::CONNECTED;
-    return state;
-  }
-
  protected:
   ~MidiMessageFilter() override;