Reland: Web MIDI: split build rules for media/midi

media/midi/midi_jni_registrar.cc

Index: media/midi/midi_jni_registrar.cc
diff --git a/media/midi/midi_jni_registrar.cc b/media/midi/midi_jni_registrar.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4e40481feb70d6990493e507c5b836bca08111dd
--- /dev/null
+++ b/media/midi/midi_jni_registrar.cc
@@ -0,0 +1,30 @@
+// 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.
+
+#include "media/midi/midi_jni_registrar.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_registrar.h"
+#include "base/basictypes.h"
+
+#include "media/midi/usb_midi_device_android.h"
+#include "media/midi/usb_midi_device_factory_android.h"
+
+namespace media {
+namespace midi {
+
+static base::android::RegistrationMethod kMediaRegisteredMethods[] = {
+  { "UsbMidiDevice",
+    UsbMidiDeviceAndroid::RegisterUsbMidiDevice },
+  { "UsbMidiDeviceFactory",
+    UsbMidiDeviceFactoryAndroid::RegisterUsbMidiDeviceFactory },
+};
+
+bool RegisterJni(JNIEnv* env) {
+  return base::android::RegisterNativeMethods(
+      env, kMediaRegisteredMethods, arraysize(kMediaRegisteredMethods));
+}
+
+}  // namespace midi
+}  // namespace media