Web MIDI: use midi_service.mojom for media::midi::Result

third_party/WebKit/Source/modules/webmidi/MIDIAccess.h

Index: third_party/WebKit/Source/modules/webmidi/MIDIAccess.h
diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIAccess.h b/third_party/WebKit/Source/modules/webmidi/MIDIAccess.h
index 36ca0babb86338605733e6b62bd3edc6db7da6f7..1b5ff684cedceb98d40c5c53c58b456bace08d23 100644
--- a/third_party/WebKit/Source/modules/webmidi/MIDIAccess.h
+++ b/third_party/WebKit/Source/modules/webmidi/MIDIAccess.h
@@ -108,9 +108,7 @@ class MIDIAccess final : public EventTargetWithInlineData,
                             MIDIAccessor::MIDIPortState) override;
   void didSetOutputPortState(unsigned portIndex,
                              MIDIAccessor::MIDIPortState) override;
-  void didStartSession(bool success,
-                       const String& error,
-                       const String& message) override {
+  void didStartSession(media::midi::Result) override {
     // This method is for MIDIAccess initialization: MIDIAccessInitializer
     // has the implementation.
     NOTREACHED();