[Mac/GN] Set up the component build.

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 114 matching lines @@
 
     deps += [
       ":midi_jni_headers",
       "//base:i18n",
     ]
   }
 
   if (is_mac) {
     libs += [
       "CoreAudio.framework",
+      "CoreFoundation.framework",
       "CoreMIDI.framework",
     ]
   }
 
   if (is_win) {
     deps += [ "//device/usb" ]
   }
 
   if (use_alsa && use_udev) {
     deps += [
@@ skipping 42 matching lines @@
   }
 
   if (use_alsa && use_udev) {
     sources += [ "midi_manager_alsa_unittest.cc" ]
   }
 
   if (use_x11) {
     deps += [ "//tools/xdisplaycheck" ]
   }
 }