Mac: Fix case of CoreMIDI.framework when building midi_unittests.

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("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
@@ skipping 115 matching lines @@
     deps += [
       ":midi_jni_headers",
       "//base:i18n",
     ]
   }
 
   if (is_mac) {
     libs += [
       "CoreAudio.framework",
       "CoreFoundation.framework",
       "CoreMIDI.framework",

[tapted, 2016/11/25 00:51:29]

(note it appears here as `MIDI`, just not for midi_unittests, below)

     ]
   }
 
   if (is_win) {
     deps += [ "//device/usb" ]
     sources += [
       "midi_manager_win.cc",
       "midi_manager_win.h",
       "midi_manager_winrt.cc",
       "midi_manager_winrt.h",
@@ skipping 48 matching lines @@
   ]
 
   if (is_android) {
     deps += [ ":midi_java" ]
   } else {
     sources += usb_midi_sources
   }
 
   if (is_mac) {
     sources += [ "midi_manager_mac_unittest.cc" ]
-    libs = [ "CoreMidi.framework" ]
+    libs = [ "CoreMIDI.framework" ]
   }
 
   if (use_alsa && use_udev) {
     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" ]
 }