Use protected, remove uneeded member variable
Use protected, remove uneeded member variable

nicolasnoble/grpc,firebase/grpc,deepaklukose/grpc,thinkerou/grpc,ejona86/grpc,jboeuf/grpc,jtattermusch/grpc,ctiller/grpc,geffzhang/grpc,donnadionne/grpc,thinkerou/grpc,daniel-j-born/grpc,thinkerou/grpc,Vizerai/grpc,adelez/grpc,stanley-cheung/grpc,mehrdada/grpc,ncteisen/grpc,ctiller/grpc,dgquintas/grpc,Vizerai/grpc,muxi/grpc,nicolasnoble/grpc,muxi/grpc,carl-mastrangelo/grpc,grpc/grpc,firebase/grpc,jtattermusch/grpc,nicolasnoble/grpc,mehrdada/grpc,simonkuang/grpc,deepaklukose/grpc,vjpai/grpc,pszemus/grpc,mehrdada/grpc,murgatroid99/grpc,simonkuang/grpc,firebase/grpc,daniel-j-born/grpc,murgatroid99/grpc,chrisdunelm/grpc,simonkuang/grpc,ncteisen/grpc,adelez/grpc,PeterFaiman/ruby-grpc-minimal,jtattermusch/grpc,sreecha/grpc,mehrdada/grpc,vjpai/grpc,firebase/grpc,pszemus/grpc,jtattermusch/grpc,thinkerou/grpc,muxi/grpc,thinkerou/grpc,mehrdada/grpc,pszemus/grpc,muxi/grpc,ctiller/grpc,sreecha/grpc,ejona86/grpc,chrisdunelm/grpc,PeterFaiman/ruby-grpc-minimal,murgatroid99/grpc,Vizerai/grpc,grpc/grpc,pszemus/grpc,deepaklukose/grpc,dgquintas/grpc,ctiller/grpc,donnadionne/grpc,geffzhang/grpc,sreecha/grpc,kpayson64/grpc,dgquintas/grpc,ctiller/grpc,carl-mastrangelo/grpc,grpc/grpc,deepaklukose/grpc,jtattermusch/grpc,fuchsia-mirror/third_party-grpc,vjpai/grpc,fuchsia-mirror/third_party-grpc,dgquintas/grpc,simonkuang/grpc,nicolasnoble/grpc,sreecha/grpc,jtattermusch/grpc,fuchsia-mirror/third_party-grpc,chrisdunelm/grpc,ncteisen/grpc,PeterFaiman/ruby-grpc-minimal,thinkerou/grpc,deepaklukose/grpc,geffzhang/grpc,ctiller/grpc,adelez/grpc,geffzhang/grpc,Vizerai/grpc,PeterFaiman/ruby-grpc-minimal,thinkerou/grpc,stanley-cheung/grpc,jboeuf/grpc,vjpai/grpc,donnadionne/grpc,dgquintas/grpc,chrisdunelm/grpc,jboeuf/grpc,nicolasnoble/grpc,fuchsia-mirror/third_party-grpc,dgquintas/grpc,pszemus/grpc,ncteisen/grpc,ejona86/grpc,nicolasnoble/grpc,stanley-cheung/grpc,pszemus/grpc,ctiller/grpc,dgquintas/grpc,thinkerou/grpc,jtattermusch/grpc,grpc/grpc,geffzhang/grpc,firebase/grpc,ejona86/grpc,mehrdada/grpc,thinkerou/grpc,stanley-cheung/grpc,firebase/grpc,Vizerai/grpc,geffzhang/grpc,stanley-cheung/grpc,ncteisen/grpc,kpayson64/grpc,dgquintas/grpc,adelez/grpc,chrisdunelm/grpc,grpc/grpc,simonkuang/grpc,jtattermusch/grpc,jboeuf/grpc,deepaklukose/grpc,fuchsia-mirror/third_party-grpc,PeterFaiman/ruby-grpc-minimal,donnadionne/grpc,donnadionne/grpc,adelez/grpc,carl-mastrangelo/grpc,thinkerou/grpc,jtattermusch/grpc,muxi/grpc,jboeuf/grpc,murgatroid99/grpc,thinkerou/grpc,stanley-cheung/grpc,sreecha/grpc,ctiller/grpc,dgquintas/grpc,carl-mastrangelo/grpc,jboeuf/grpc,chrisdunelm/grpc,vjpai/grpc,muxi/grpc,vjpai/grpc,ncteisen/grpc,murgatroid99/grpc,grpc/grpc,grpc/grpc,jboeuf/grpc,carl-mastrangelo/grpc,grpc/grpc,daniel-j-born/grpc,jtattermusch/grpc,chrisdunelm/grpc,donnadionne/grpc,Vizerai/grpc,adelez/grpc,ncteisen/grpc,mehrdada/grpc,jboeuf/grpc,adelez/grpc,murgatroid99/grpc,PeterFaiman/ruby-grpc-minimal,sreecha/grpc,ejona86/grpc,nicolasnoble/grpc,nicolasnoble/grpc,chrisdunelm/grpc,sreecha/grpc,firebase/grpc,carl-mastrangelo/grpc,daniel-j-born/grpc,mehrdada/grpc,carl-mastrangelo/grpc,donnadionne/grpc,ctiller/grpc,ejona86/grpc,ejona86/grpc,sreecha/grpc,muxi/grpc,kpayson64/grpc,daniel-j-born/grpc,Vizerai/grpc,Vizerai/grpc,ejona86/grpc,donnadionne/grpc,kpayson64/grpc,dgquintas/grpc,carl-mastrangelo/grpc,daniel-j-born/grpc,mehrdada/grpc,fuchsia-mirror/third_party-grpc,stanley-cheung/grpc,simonkuang/grpc,mehrdada/grpc,kpayson64/grpc,kpayson64/grpc,vjpai/grpc,murgatroid99/grpc,carl-mastrangelo/grpc,Vizerai/grpc,pszemus/grpc,vjpai/grpc,firebase/grpc,ncteisen/grpc,nicolasnoble/grpc,daniel-j-born/grpc,vjpai/grpc,pszemus/grpc,chrisdunelm/grpc,vjpai/grpc,donnadionne/grpc,PeterFaiman/ruby-grpc-minimal,deepaklukose/grpc,geffzhang/grpc,nicolasnoble/grpc,stanley-cheung/grpc,mehrdada/grpc,pszemus/grpc,nicolasnoble/grpc,jboeuf/grpc,donnadionne/grpc,ctiller/grpc,simonkuang/grpc,jboeuf/grpc,ctiller/grpc,grpc/grpc,simonkuang/grpc,Vizerai/grpc,muxi/grpc,sreecha/grpc,kpayson64/grpc,jboeuf/grpc,sreecha/grpc,ctiller/grpc,stanley-cheung/grpc,daniel-j-born/grpc,jtattermusch/grpc,muxi/grpc,geffzhang/grpc,carl-mastrangelo/grpc,ejona86/grpc,ncteisen/grpc,PeterFaiman/ruby-grpc-minimal,ejona86/grpc,fuchsia-mirror/third_party-grpc,donnadionne/grpc,kpayson64/grpc,vjpai/grpc,fuchsia-mirror/third_party-grpc,vjpai/grpc,simonkuang/grpc,PeterFaiman/ruby-grpc-minimal,dgquintas/grpc,firebase/grpc,fuchsia-mirror/third_party-grpc,murgatroid99/grpc,adelez/grpc,pszemus/grpc,kpayson64/grpc,deepaklukose/grpc,thinkerou/grpc,murgatroid99/grpc,daniel-j-born/grpc,jtattermusch/grpc,pszemus/grpc,chrisdunelm/grpc,jboeuf/grpc,pszemus/grpc,fuchsia-mirror/third_party-grpc,firebase/grpc,nicolasnoble/grpc,stanley-cheung/grpc,chrisdunelm/grpc,murgatroid99/grpc,stanley-cheung/grpc,carl-mastrangelo/grpc,grpc/grpc,muxi/grpc,ncteisen/grpc,kpayson64/grpc,grpc/grpc,ejona86/grpc,adelez/grpc,carl-mastrangelo/grpc,muxi/grpc,geffzhang/grpc,kpayson64/grpc,mehrdada/grpc,donnadionne/grpc,sreecha/grpc,firebase/grpc,ncteisen/grpc,ejona86/grpc,deepaklukose/grpc,muxi/grpc,PeterFaiman/ruby-grpc-minimal,firebase/grpc,stanley-cheung/grpc,grpc/grpc,ncteisen/grpc,sreecha/grpc,Vizerai/grpc