text: --- src/3rdparty/chromium/printing/backend/print_backend_cups.cc.orig	2015-10-12 21:36:42.000000000 -0700
  +++ src/3rdparty/chromium/printing/backend/print_backend_cups.cc	2016-10-25 05:50:33.000000000 -0700
  @@ -6,6 +6,7 @@
   
   #include "build/build_config.h"
   
  +#include <cups/ppd.h>
   #include <dlfcn.h>
   #include <errno.h>
   #include <pthread.h>
  