[Extensions] Fix memory leak
[Extensions] Fix memory leak

ExtensionData was being removed from the map but the pointer was not
being deleted.

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