WebApplication : Set default encoding type
WebApplication : Set default encoding type

Change-Id: Iaf8db81dbb2d8cb0a64b5d6752365de2e666bb6a

myroot/crosswalk-tizen,myroot/crosswalk-tizen,myroot/crosswalk-tizen,YongseopKim/crosswalk-tizen,YongseopKim/crosswalk-tizen,psikorski/crosswalk-tizen,sung-su/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,YongseopKim/crosswalk-tizen,myroot/crosswalk-tizen,psikorski/crosswalk-tizen,hgl888/crosswalk-tizen,sung-su/crosswalk-tizen,sung-su/crosswalk-tizen,hgl888/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,sung-su/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,YongseopKim/crosswalk-tizen,hgl888/crosswalk-tizen,psikorski/crosswalk-tizen,psikorski/crosswalk-tizen,hgl888/crosswalk-tizen