Disable C4467 'usage of ATL attributes is deprecated' in midi

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 125 matching lines @@
   }
 
   if (is_win) {
     deps += [ "//device/usb" ]
     sources += [
       "midi_manager_win.cc",
       "midi_manager_win.h",
       "midi_manager_winrt.cc",
       "midi_manager_winrt.h",
     ]
+    cflags = [ "/wd4467" ]  # usage of ATL attributes is deprecated.
   }
 
   if (use_alsa && use_udev) {
     deps += [
       "//crypto",
       "//crypto:platform",
     ]
     libs += [ "asound" ]
     sources += [
       "midi_manager_alsa.cc",
@@ skipping 40 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" ]
 }