Revert of Web MIDI: split build rules for media/midi

media/midi/midi_jni_registrar.h

Index: media/midi/midi_jni_registrar.h
diff --git a/media/midi/midi_jni_registrar.h b/media/midi/midi_jni_registrar.h
deleted file mode 100644
index f981e5c6a4d40e3f1bd18abd29b7d2817618e2e3..0000000000000000000000000000000000000000
--- a/media/midi/midi_jni_registrar.h
+++ /dev/null
@@ -1,21 +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.
-
-#ifndef MEDIA_MIDI_MIDI_JNI_REGISTRAR_H_
-#define MEDIA_MIDI_MIDI_JNI_REGISTRAR_H_
-
-#include <jni.h>
-
-#include "media/base/media_export.h"
-
-namespace media {
-namespace midi {
-
-// Register all JNI bindings necessary for media/midi.
-MEDIA_EXPORT bool RegisterJni(JNIEnv* env);
-
-}  // namespace midi
-}  // namespace media
-
-#endif  // MEDIA_MIDI_MIDI_JNI_REGISTRAR_H_