Initialize DeviceFuncs::ifuncs_ to zero in constructor
Initialize DeviceFuncs::ifuncs_ to zero in constructor

dingdayong/ppapi,lag945/ppapi,c1soju96/ppapi,lag945/ppapi,cacpssl/ppapi,huochetou999/ppapi,lag945/ppapi,thdtjsdn/ppapi,qwop/ppapi,tiaolong/ppapi,gwobay/ppapi,xiaozihui/ppapi,fubaydullaev/ppapi,tiaolong/ppapi,thdtjsdn/ppapi,cacpssl/ppapi,siweilvxing/ppapi,gwobay/ppapi,huochetou999/ppapi,siweilvxing/ppapi,YachaoLiu/ppapi,tonyjoule/ppapi,chenfeng8742/ppapi,CharlesHuimin/ppapi,stefanie924/ppapi,huochetou999/ppapi,JustRight/ppapi,HAfsari/ppapi,cacpssl/ppapi,ruder/ppapi,rise-worlds/ppapi,thdtjsdn/ppapi,dingdayong/ppapi,xinghaizhou/ppapi,cacpssl/ppapi,chenfeng8742/ppapi,HAfsari/ppapi,qwop/ppapi,HAfsari/ppapi,Xelemsta/ppapi,rise-worlds/ppapi,dralves/ppapi,ruder/ppapi,siweilvxing/ppapi,JustRight/ppapi,cacpssl/ppapi,c1soju96/ppapi,xinghaizhou/ppapi,tonyjoule/ppapi,nanox/ppapi,nanox/ppapi,xiaozihui/ppapi,whitewolfm/ppapi,tiaolong/ppapi,lag945/ppapi,CharlesHuimin/ppapi,Xelemsta/ppapi,rise-worlds/ppapi,ruder/ppapi,whitewolfm/ppapi,CharlesHuimin/ppapi,stefanie924/ppapi,dingdayong/ppapi,phisixersai/ppapi,xiaozihui/ppapi,siweilvxing/ppapi,chenfeng8742/ppapi,tiaolong/ppapi,whitewolfm/ppapi,xinghaizhou/ppapi,lag945/ppapi,xinghaizhou/ppapi,xuesongzhu/ppapi,rise-worlds/ppapi,fubaydullaev/ppapi,huqingyu/ppapi,xuesongzhu/ppapi,xinghaizhou/ppapi,JustRight/ppapi,Xelemsta/ppapi,rise-worlds/ppapi,phisixersai/ppapi,huqingyu/ppapi,gwobay/ppapi,huqingyu/ppapi,xuesongzhu/ppapi,chenfeng8742/ppapi,thdtjsdn/ppapi,huochetou999/ppapi,YachaoLiu/ppapi,thdtjsdn/ppapi,YachaoLiu/ppapi,huqingyu/ppapi,YachaoLiu/ppapi,qwop/ppapi,fubaydullaev/ppapi,Xelemsta/ppapi,dralves/ppapi,stefanie924/ppapi,JustRight/ppapi,CharlesHuimin/ppapi,stefanie924/ppapi,HAfsari/ppapi,gwobay/ppapi,whitewolfm/ppapi,xuesongzhu/ppapi,gwobay/ppapi,c1soju96/ppapi,CharlesHuimin/ppapi,ruder/ppapi,tonyjoule/ppapi,tiaolong/ppapi,huqingyu/ppapi,dralves/ppapi,tonyjoule/ppapi,whitewolfm/ppapi,nanox/ppapi,stefanie924/ppapi,chenfeng8742/ppapi,qwop/ppapi,HAfsari/ppapi,phisixersai/ppapi,dingdayong/ppapi,JustRight/ppapi,dralves/ppapi,nanox/ppapi,qwop/ppapi,c1soju96/ppapi,tonyjoule/ppapi,fubaydullaev/ppapi,xiaozihui/ppapi,xiaozihui/ppapi,siweilvxing/ppapi,fubaydullaev/ppapi,phisixersai/ppapi,huochetou999/ppapi,Xelemsta/ppapi,YachaoLiu/ppapi,nanox/ppapi,phisixersai/ppapi,c1soju96/ppapi,xuesongzhu/ppapi,ruder/ppapi,dingdayong/ppapi,dralves/ppapi