anchor.diff:      use_system_protobuf = true;
   
       use_system_harfbuzz = false;
  -    use_system_icu = false;
  +    use_system_icu = false; # Doesn't support ICU 52 yet.
  +    use_system_libusb = false; # http://crbug.com/266149
       use_system_libwebp = false; # http://crbug.com/133161
       use_system_skia = false;
       use_system_sqlite = false; # http://crbug.com/22208
  
positive.code:   });
  
    configurePhase = ''
      python build/gyp_chromium -f ninja --depth "$(pwd)" ${gypFlags}
    '';
  
  
negative.code:     use_system_libexif = true;
      use_system_libjpeg = true;
      use_system_libpng = false; # PNG dlopen() version conflict
      use_system_libxml = true;
      use_system_opus = true;
      use_system_snappy = true;
      use_system_speex = true;
      use_system_ssl = useOpenSSL;
      use_system_stlport = true;
  