anchor.diff:    });
   
     configurePhase = ''
  +    python build/linux/unbundle/replace_gyp_files.py ${gypFlags}
       python build/gyp_chromium -f ninja --depth "$(pwd)" ${gypFlags}
     '';
   
  
positive.code:     use_system_protobuf = true;
  
      use_system_harfbuzz = false;
      use_system_icu = false;
      use_system_libwebp = false; # http://crbug.com/133161
      use_system_skia = false;
      use_system_sqlite = false; # http://crbug.com/22208
  
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;
  