add some default arguments (for convenience) on some ExtInfo methods, NFC.
add some default arguments (for convenience) on some ExtInfo methods, NFC.


Swift SVN r24134

codestergit/swift,karwa/swift,OscarSwanros/swift,tjw/swift,huonw/swift,sschiau/swift,kusl/swift,tinysun212/swift-windows,nathawes/swift,shajrawi/swift,therealbnut/swift,shajrawi/swift,gottesmm/swift,karwa/swift,apple/swift,alblue/swift,jckarter/swift,return/swift,kperryua/swift,arvedviehweger/swift,kusl/swift,glessard/swift,slavapestov/swift,slavapestov/swift,swiftix/swift.old,shajrawi/swift,therealbnut/swift,kentya6/swift,LeoShimonaka/swift,KrishMunot/swift,milseman/swift,jckarter/swift,ben-ng/swift,austinzheng/swift,manavgabhawala/swift,brentdax/swift,CodaFi/swift,ben-ng/swift,CodaFi/swift,Ivacker/swift,apple/swift,jmgc/swift,practicalswift/swift,cbrentharris/swift,JGiola/swift,frootloops/swift,OscarSwanros/swift,tjw/swift,hooman/swift,stephentyrone/swift,uasys/swift,huonw/swift,shajrawi/swift,karwa/swift,kperryua/swift,dreamsxin/swift,ben-ng/swift,stephentyrone/swift,JGiola/swift,allevato/swift,tkremenek/swift,airspeedswift/swift,stephentyrone/swift,SwiftAndroid/swift,CodaFi/swift,bitjammer/swift,swiftix/swift.old,shahmishal/swift,stephentyrone/swift,Ivacker/swift,kstaring/swift,SwiftAndroid/swift,aschwaighofer/swift,arvedviehweger/swift,KrishMunot/swift,return/swift,ken0nek/swift,dduan/swift,atrick/swift,johnno1962d/swift,jopamer/swift,slavapestov/swift,hooman/swift,swiftix/swift.old,Ivacker/swift,tinysun212/swift-windows,swiftix/swift.old,kusl/swift,return/swift,apple/swift,arvedviehweger/swift,calebd/swift,cbrentharris/swift,manavgabhawala/swift,shahmishal/swift,sdulal/swift,xwu/swift,stephentyrone/swift,russbishop/swift,nathawes/swift,amraboelela/swift,austinzheng/swift,gribozavr/swift,huonw/swift,sdulal/swift,MukeshKumarS/Swift,tjw/swift,hooman/swift,milseman/swift,tardieu/swift,amraboelela/swift,lorentey/swift,xwu/swift,uasys/swift,gmilos/swift,jckarter/swift,mightydeveloper/swift,tkremenek/swift,shahmishal/swift,uasys/swift,therealbnut/swift,jmgc/swift,kstaring/swift,IngmarStein/swift,gribozavr/swift,tjw/swift,austinzheng/swift,return/swift,tinysun212/swift-windows,allevato/swift,Ivacker/swift,bitjammer/swift,gmilos/swift,arvedviehweger/swift,allevato/swift,rudkx/swift,slavapestov/swift,kentya6/swift,austinzheng/swift,jckarter/swift,adrfer/swift,rudkx/swift,mightydeveloper/swift,jckarter/swift,kstaring/swift,cbrentharris/swift,manavgabhawala/swift,practicalswift/swift,swiftix/swift,xwu/swift,frootloops/swift,airspeedswift/swift,codestergit/swift,Ivacker/swift,allevato/swift,xedin/swift,lorentey/swift,tinysun212/swift-windows,devincoughlin/swift,jtbandes/swift,uasys/swift,arvedviehweger/swift,roambotics/swift,SwiftAndroid/swift,KrishMunot/swift,codestergit/swift,sdulal/swift,ken0nek/swift,khizkhiz/swift,calebd/swift,johnno1962d/swift,CodaFi/swift,LeoShimonaka/swift,tjw/swift,Jnosh/swift,atrick/swift,therealbnut/swift,adrfer/swift,khizkhiz/swift,jckarter/swift,parkera/swift,harlanhaskins/swift,parkera/swift,atrick/swift,JaSpa/swift,IngmarStein/swift,swiftix/swift,slavapestov/swift,sschiau/swift,hooman/swift,harlanhaskins/swift,gregomni/swift,russbishop/swift,jtbandes/swift,natecook1000/swift,dduan/swift,hooman/swift,MukeshKumarS/Swift,lorentey/swift,OscarSwanros/swift,mightydeveloper/swift,jopamer/swift,ben-ng/swift,OscarSwanros/swift,natecook1000/swift,khizkhiz/swift,nathawes/swift,allevato/swift,ahoppen/swift,rudkx/swift,zisko/swift,shajrawi/swift,JGiola/swift,xedin/swift,rudkx/swift,SwiftAndroid/swift,lorentey/swift,danielmartin/swift,frootloops/swift,adrfer/swift,dduan/swift,jckarter/swift,gribozavr/swift,kentya6/swift,codestergit/swift,xedin/swift,mightydeveloper/swift,LeoShimonaka/swift,ben-ng/swift,sschiau/swift,tinysun212/swift-windows,kusl/swift,dduan/swift,jmgc/swift,deyton/swift,deyton/swift,kusl/swift,glessard/swift,amraboelela/swift,LeoShimonaka/swift,karwa/swift,gmilos/swift,devincoughlin/swift,uasys/swift,glessard/swift,danielmartin/swift,natecook1000/swift,dduan/swift,deyton/swift,hughbe/swift,ahoppen/swift,CodaFi/swift,brentdax/swift,manavgabhawala/swift,parkera/swift,gribozavr/swift,roambotics/swift,kperryua/swift,emilstahl/swift,hooman/swift,danielmartin/swift,return/swift,shahmishal/swift,milseman/swift,gregomni/swift,sdulal/swift,russbishop/swift,cbrentharris/swift,calebd/swift,bitjammer/swift,benlangmuir/swift,dduan/swift,SwiftAndroid/swift,jopamer/swift,johnno1962d/swift,KrishMunot/swift,tardieu/swift,atrick/swift,tkremenek/swift,kusl/swift,brentdax/swift,sdulal/swift,gmilos/swift,gottesmm/swift,bitjammer/swift,manavgabhawala/swift,allevato/swift,huonw/swift,hooman/swift,russbishop/swift,shahmishal/swift,jmgc/swift,JaSpa/swift,milseman/swift,JaSpa/swift,emilstahl/swift,Ivacker/swift,felix91gr/swift,codestergit/swift,tkremenek/swift,lorentey/swift,djwbrown/swift,arvedviehweger/swift,johnno1962d/swift,milseman/swift,practicalswift/swift,kentya6/swift,JaSpa/swift,karwa/swift,roambotics/swift,swiftix/swift.old,KrishMunot/swift,parkera/swift,dduan/swift,milseman/swift,felix91gr/swift,MukeshKumarS/Swift,sschiau/swift,airspeedswift/swift,karwa/swift,swiftix/swift,adrfer/swift,danielmartin/swift,Jnosh/swift,MukeshKumarS/Swift,cbrentharris/swift,swiftix/swift,cbrentharris/swift,modocache/swift,swiftix/swift,glessard/swift,harlanhaskins/swift,IngmarStein/swift,gottesmm/swift,djwbrown/swift,deyton/swift,swiftix/swift.old,gregomni/swift,austinzheng/swift,djwbrown/swift,jopamer/swift,karwa/swift,hughbe/swift,zisko/swift,tardieu/swift,zisko/swift,huonw/swift,benlangmuir/swift,shajrawi/swift,apple/swift,KrishMunot/swift,rudkx/swift,modocache/swift,return/swift,jopamer/swift,hughbe/swift,khizkhiz/swift,adrfer/swift,frootloops/swift,brentdax/swift,hughbe/swift,xedin/swift,ahoppen/swift,atrick/swift,harlanhaskins/swift,felix91gr/swift,johnno1962d/swift,cbrentharris/swift,mightydeveloper/swift,danielmartin/swift,gottesmm/swift,rudkx/swift,xedin/swift,tardieu/swift,return/swift,xedin/swift,ahoppen/swift,airspeedswift/swift,brentdax/swift,practicalswift/swift,adrfer/swift,tinysun212/swift-windows,therealbnut/swift,aschwaighofer/swift,nathawes/swift,kentya6/swift,kstaring/swift,zisko/swift,devincoughlin/swift,natecook1000/swift,sdulal/swift,jtbandes/swift,allevato/swift,apple/swift,apple/swift,atrick/swift,Ivacker/swift,benlangmuir/swift,KrishMunot/swift,deyton/swift,gottesmm/swift,shahmishal/swift,stephentyrone/swift,alblue/swift,huonw/swift,hughbe/swift,JaSpa/swift,gribozavr/swift,kusl/swift,gottesmm/swift,zisko/swift,jopamer/swift,calebd/swift,jtbandes/swift,nathawes/swift,devincoughlin/swift,roambotics/swift,JGiola/swift,kperryua/swift,OscarSwanros/swift,ken0nek/swift,kstaring/swift,uasys/swift,aschwaighofer/swift,stephentyrone/swift,lorentey/swift,JaSpa/swift,gribozavr/swift,nathawes/swift,aschwaighofer/swift,sschiau/swift,alblue/swift,natecook1000/swift,parkera/swift,kusl/swift,tkremenek/swift,emilstahl/swift,emilstahl/swift,calebd/swift,jtbandes/swift,tardieu/swift,OscarSwanros/swift,cbrentharris/swift,MukeshKumarS/Swift,harlanhaskins/swift,ken0nek/swift,brentdax/swift,ken0nek/swift,SwiftAndroid/swift,jtbandes/swift,glessard/swift,MukeshKumarS/Swift,djwbrown/swift,frootloops/swift,therealbnut/swift,bitjammer/swift,roambotics/swift,felix91gr/swift,jmgc/swift,adrfer/swift,calebd/swift,austinzheng/swift,therealbnut/swift,slavapestov/swift,modocache/swift,parkera/swift,xedin/swift,kentya6/swift,sdulal/swift,xwu/swift,sdulal/swift,slavapestov/swift,gmilos/swift,amraboelela/swift,codestergit/swift,emilstahl/swift,sschiau/swift,codestergit/swift,practicalswift/swift,Ivacker/swift,airspeedswift/swift,brentdax/swift,sschiau/swift,shajrawi/swift,bitjammer/swift,xwu/swift,IngmarStein/swift,mightydeveloper/swift,airspeedswift/swift,alblue/swift,calebd/swift,devincoughlin/swift,kentya6/swift,dreamsxin/swift,MukeshKumarS/Swift,practicalswift/swift,zisko/swift,ben-ng/swift,SwiftAndroid/swift,emilstahl/swift,aschwaighofer/swift,xedin/swift,benlangmuir/swift,jmgc/swift,danielmartin/swift,xwu/swift,alblue/swift,nathawes/swift,devincoughlin/swift,mightydeveloper/swift,djwbrown/swift,parkera/swift,gribozavr/swift,tjw/swift,bitjammer/swift,aschwaighofer/swift,tjw/swift,benlangmuir/swift,austinzheng/swift,djwbrown/swift,LeoShimonaka/swift,frootloops/swift,JGiola/swift,practicalswift/swift,emilstahl/swift,tardieu/swift,kentya6/swift,JaSpa/swift,modocache/swift,kstaring/swift,uasys/swift,ken0nek/swift,shahmishal/swift,arvedviehweger/swift,CodaFi/swift,deyton/swift,huonw/swift,LeoShimonaka/swift,modocache/swift,alblue/swift,sschiau/swift,devincoughlin/swift,gmilos/swift,zisko/swift,Jnosh/swift,lorentey/swift,swiftix/swift,Jnosh/swift,practicalswift/swift,amraboelela/swift,shahmishal/swift,kperryua/swift,khizkhiz/swift,modocache/swift,kperryua/swift,hughbe/swift,devincoughlin/swift,russbishop/swift,lorentey/swift,gribozavr/swift,alblue/swift,roambotics/swift,natecook1000/swift,kperryua/swift,gregomni/swift,manavgabhawala/swift,frootloops/swift,karwa/swift,Jnosh/swift,gregomni/swift,danielmartin/swift,parkera/swift,kstaring/swift,tkremenek/swift,CodaFi/swift,emilstahl/swift,khizkhiz/swift,ahoppen/swift,jopamer/swift,aschwaighofer/swift,amraboelela/swift,djwbrown/swift,felix91gr/swift,russbishop/swift,deyton/swift,harlanhaskins/swift,tardieu/swift,airspeedswift/swift,ahoppen/swift,gmilos/swift,milseman/swift,modocache/swift,swiftix/swift,johnno1962d/swift,shajrawi/swift,johnno1962d/swift,glessard/swift,swiftix/swift.old,gottesmm/swift,tkremenek/swift,swiftix/swift.old,jmgc/swift,manavgabhawala/swift,ken0nek/swift,JGiola/swift,xwu/swift,jtbandes/swift,mightydeveloper/swift,harlanhaskins/swift,LeoShimonaka/swift,ben-ng/swift,natecook1000/swift,tinysun212/swift-windows,IngmarStein/swift,russbishop/swift,OscarSwanros/swift,felix91gr/swift,LeoShimonaka/swift,IngmarStein/swift,amraboelela/swift,Jnosh/swift,benlangmuir/swift,gregomni/swift,khizkhiz/swift,IngmarStein/swift,hughbe/swift,felix91gr/swift,Jnosh/swift