[Extensions] Register external extensions when EP is disabled
[Extensions] Register external extensions when EP is disabled

Fix the bug of external extensions not working when
--disable-external-process flag was passed. This is the default behavior
for Android. The problem was that we were sending the extensions to RP
before adding the external ones.

qjia7/crosswalk,TheDirtyCalvinist/spacewalk,crosswalk-project/crosswalk-efl,amaniak/crosswalk,hgl888/crosswalk,myroot/crosswalk,pk-sam/crosswalk,leonhsl/crosswalk,darktears/crosswalk,marcuspridham/crosswalk,DonnaWuDongxia/crosswalk,marcuspridham/crosswalk,huningxin/crosswalk,crosswalk-project/crosswalk-efl,weiyirong/crosswalk-1,zeropool/crosswalk,hgl888/crosswalk-efl,RafuCater/crosswalk,amaniak/crosswalk,chuan9/crosswalk,marcuspridham/crosswalk,wuhengzhi/crosswalk,leonhsl/crosswalk,wuhengzhi/crosswalk,darktears/crosswalk,heke123/crosswalk,jpike88/crosswalk,qjia7/crosswalk,crosswalk-project/crosswalk-efl,myroot/crosswalk,chinakids/crosswalk,mrunalk/crosswalk,qjia7/crosswalk,baleboy/crosswalk,zeropool/crosswalk,tomatell/crosswalk,Bysmyyr/crosswalk,ZhengXinCN/crosswalk,amaniak/crosswalk,heke123/crosswalk,xzhan96/crosswalk,rakuco/crosswalk,jondwillis/crosswalk,fujunwei/crosswalk,XiaosongWei/crosswalk,jondong/crosswalk,seanlong/crosswalk,chuan9/crosswalk,baleboy/crosswalk,zeropool/crosswalk,zeropool/crosswalk,DonnaWuDongxia/crosswalk,minggangw/crosswalk,pk-sam/crosswalk,fujunwei/crosswalk,PeterWangIntel/crosswalk,myroot/crosswalk,minggangw/crosswalk,TheDirtyCalvinist/spacewalk,zeropool/crosswalk,shaochangbin/crosswalk,zliang7/crosswalk,chuan9/crosswalk,ZhengXinCN/crosswalk,jpike88/crosswalk,darktears/crosswalk,wuhengzhi/crosswalk,heke123/crosswalk,heke123/crosswalk,hgl888/crosswalk,XiaosongWei/crosswalk,baleboy/crosswalk,lincsoon/crosswalk,minggangw/crosswalk,PeterWangIntel/crosswalk,marcuspridham/crosswalk,stonegithubs/crosswalk,mrunalk/crosswalk,Pluto-tv/crosswalk,rakuco/crosswalk,shaochangbin/crosswalk,jpike88/crosswalk,ZhengXinCN/crosswalk,heke123/crosswalk,axinging/crosswalk,seanlong/crosswalk,marcuspridham/crosswalk,shaochangbin/crosswalk,hgl888/crosswalk-efl,marcuspridham/crosswalk,minggangw/crosswalk,lincsoon/crosswalk,Pluto-tv/crosswalk,tomatell/crosswalk,wuhengzhi/crosswalk,darktears/crosswalk,TheDirtyCalvinist/spacewalk,crosswalk-project/crosswalk-efl,lincsoon/crosswalk,xzhan96/crosswalk,qjia7/crosswalk,PeterWangIntel/crosswalk,seanlong/crosswalk,dreamsxin/crosswalk,mrunalk/crosswalk,tomatell/crosswalk,leonhsl/crosswalk,mrunalk/crosswalk,DonnaWuDongxia/crosswalk,ZhengXinCN/crosswalk,shaochangbin/crosswalk,lincsoon/crosswalk,axinging/crosswalk,leonhsl/crosswalk,bestwpw/crosswalk,pk-sam/crosswalk,Bysmyyr/crosswalk,minggangw/crosswalk,fujunwei/crosswalk,lincsoon/crosswalk,baleboy/crosswalk,xzhan96/crosswalk,RafuCater/crosswalk,chuan9/crosswalk,tomatell/crosswalk,jondwillis/crosswalk,jondwillis/crosswalk,xzhan96/crosswalk,crosswalk-project/crosswalk,jpike88/crosswalk,hgl888/crosswalk,crosswalk-project/crosswalk,zliang7/crosswalk,zliang7/crosswalk,zliang7/crosswalk,minggangw/crosswalk,axinging/crosswalk,seanlong/crosswalk,jondwillis/crosswalk,baleboy/crosswalk,stonegithubs/crosswalk,stonegithubs/crosswalk,weiyirong/crosswalk-1,chinakids/crosswalk,pk-sam/crosswalk,jondong/crosswalk,tedshroyer/crosswalk,axinging/crosswalk,xzhan96/crosswalk,zeropool/crosswalk,alex-zhang/crosswalk,minggangw/crosswalk,darktears/crosswalk,tomatell/crosswalk,crosswalk-project/crosswalk-efl,crosswalk-project/crosswalk,dreamsxin/crosswalk,chinakids/crosswalk,pk-sam/crosswalk,seanlong/crosswalk,DonnaWuDongxia/crosswalk,shaochangbin/crosswalk,myroot/crosswalk,siovene/crosswalk,weiyirong/crosswalk-1,Bysmyyr/crosswalk,stonegithubs/crosswalk,amaniak/crosswalk,jondong/crosswalk,Bysmyyr/crosswalk,leonhsl/crosswalk,hgl888/crosswalk,RafuCater/crosswalk,xzhan96/crosswalk,dreamsxin/crosswalk,weiyirong/crosswalk-1,XiaosongWei/crosswalk,bestwpw/crosswalk,weiyirong/crosswalk-1,weiyirong/crosswalk-1,mrunalk/crosswalk,hgl888/crosswalk-efl,baleboy/crosswalk,seanlong/crosswalk,jondwillis/crosswalk,PeterWangIntel/crosswalk,DonnaWuDongxia/crosswalk,hgl888/crosswalk,XiaosongWei/crosswalk,jpike88/crosswalk,DonnaWuDongxia/crosswalk,PeterWangIntel/crosswalk,fujunwei/crosswalk,PeterWangIntel/crosswalk,tomatell/crosswalk,alex-zhang/crosswalk,crosswalk-project/crosswalk,rakuco/crosswalk,axinging/crosswalk,amaniak/crosswalk,lincsoon/crosswalk,jondong/crosswalk,ZhengXinCN/crosswalk,huningxin/crosswalk,DonnaWuDongxia/crosswalk,hgl888/crosswalk-efl,RafuCater/crosswalk,RafuCater/crosswalk,siovene/crosswalk,heke123/crosswalk,chuan9/crosswalk,heke123/crosswalk,huningxin/crosswalk,TheDirtyCalvinist/spacewalk,alex-zhang/crosswalk,alex-zhang/crosswalk,hgl888/crosswalk,jpike88/crosswalk,tedshroyer/crosswalk,xzhan96/crosswalk,huningxin/crosswalk,bestwpw/crosswalk,jondong/crosswalk,jondong/crosswalk,darktears/crosswalk,jondong/crosswalk,jondwillis/crosswalk,marcuspridham/crosswalk,dreamsxin/crosswalk,Pluto-tv/crosswalk,weiyirong/crosswalk-1,chuan9/crosswalk,chinakids/crosswalk,siovene/crosswalk,stonegithubs/crosswalk,crosswalk-project/crosswalk,siovene/crosswalk,bestwpw/crosswalk,qjia7/crosswalk,chuan9/crosswalk,marcuspridham/crosswalk,jpike88/crosswalk,darktears/crosswalk,tedshroyer/crosswalk,Pluto-tv/crosswalk,rakuco/crosswalk,baleboy/crosswalk,XiaosongWei/crosswalk,baleboy/crosswalk,tedshroyer/crosswalk,Pluto-tv/crosswalk,axinging/crosswalk,rakuco/crosswalk,zliang7/crosswalk,zliang7/crosswalk,crosswalk-project/crosswalk,leonhsl/crosswalk,siovene/crosswalk,hgl888/crosswalk-efl,Pluto-tv/crosswalk,Bysmyyr/crosswalk,zliang7/crosswalk,rakuco/crosswalk,alex-zhang/crosswalk,myroot/crosswalk,fujunwei/crosswalk,tedshroyer/crosswalk,XiaosongWei/crosswalk,tomatell/crosswalk,alex-zhang/crosswalk,myroot/crosswalk,amaniak/crosswalk,huningxin/crosswalk,dreamsxin/crosswalk,hgl888/crosswalk-efl,crosswalk-project/crosswalk-efl,siovene/crosswalk,heke123/crosswalk,crosswalk-project/crosswalk,bestwpw/crosswalk,RafuCater/crosswalk,jondong/crosswalk,Bysmyyr/crosswalk,wuhengzhi/crosswalk,wuhengzhi/crosswalk,bestwpw/crosswalk,Bysmyyr/crosswalk,qjia7/crosswalk,tedshroyer/crosswalk,hgl888/crosswalk,pk-sam/crosswalk,dreamsxin/crosswalk,rakuco/crosswalk,dreamsxin/crosswalk,ZhengXinCN/crosswalk,bestwpw/crosswalk,ZhengXinCN/crosswalk,axinging/crosswalk,crosswalk-project/crosswalk,TheDirtyCalvinist/spacewalk,RafuCater/crosswalk,siovene/crosswalk,hgl888/crosswalk-efl,hgl888/crosswalk,PeterWangIntel/crosswalk,TheDirtyCalvinist/spacewalk,XiaosongWei/crosswalk,minggangw/crosswalk,xzhan96/crosswalk,rakuco/crosswalk,zliang7/crosswalk,leonhsl/crosswalk,stonegithubs/crosswalk,fujunwei/crosswalk,amaniak/crosswalk,alex-zhang/crosswalk,mrunalk/crosswalk,zeropool/crosswalk,darktears/crosswalk,stonegithubs/crosswalk,lincsoon/crosswalk,lincsoon/crosswalk,crosswalk-project/crosswalk-efl,chinakids/crosswalk,pk-sam/crosswalk,fujunwei/crosswalk,huningxin/crosswalk,jondwillis/crosswalk,tedshroyer/crosswalk,Pluto-tv/crosswalk,shaochangbin/crosswalk,Bysmyyr/crosswalk,chinakids/crosswalk