Avoid deprecated GWT code.
Avoid deprecated GWT code.

Signed-off-by: Benoit Sigoure <1e23a9b864bbfcd2c432e234ca9d6011db05a743@stumbleupon.com>

sidhhu/opentsdb,OpenTSDB/opentsdb,OpenTSDB/opentsdb,kidaa/opentsdb,ShefronYudy/opentsdb,eswdd/opentsdb,ShefronYudy/opentsdb,andyflury/opentsdb,johann8384/opentsdb,MadDogTechnology/opentsdb,sidhhu/opentsdb,eswdd/opentsdb,MadDogTechnology/opentsdb,johann8384/opentsdb,alienth/opentsdb,alienth/opentsdb,andyflury/opentsdb,kidaa/opentsdb,OpenTSDB/opentsdb,MadDogTechnology/opentsdb