MidiManagerWinrt as base::FeatureList feature

media/midi/BUILD.gn

 # 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//testing/test.gni")
 
@@ skipping 57 matching lines @@
       "java/src/org/chromium/media/midi/UsbMidiDeviceAndroid.java",
       "java/src/org/chromium/media/midi/UsbMidiDeviceFactoryAndroid.java",
     ]
     jni_package = "media/midi"
   }
 }
 
 component("midi") {
   sources = [
     "midi_export.h",
+    "midi_features.cc",
+    "midi_features.h",
     "midi_manager.cc",
     "midi_manager.h",
     "midi_manager_mac.cc",
     "midi_manager_mac.h",
     "midi_message_queue.cc",
     "midi_message_queue.h",
     "midi_message_util.cc",
     "midi_message_util.h",
     "midi_port_info.cc",
     "midi_port_info.h",
@@ skipping 113 matching lines @@
     sources += [ "midi_manager_alsa_unittest.cc" ]
   }
 
   if (use_x11) {
     deps += [ "//tools/xdisplaycheck" ]
   }
 
   # This target should not require the Chrome executable to run.
   assert_no_deps = [ "//chrome" ]
 }