Reduce context switches in HTTPConnectionWriteChunkFile.
Reduce context switches in HTTPConnectionWriteChunkFile.

nkatsaros/stronglink,feld/stronglink,nkatsaros/stronglink,Lacra17/stronglink,iOSCowboy/stronglink,shaunstanislaus/stronglink,btrask/stronglink,iOSCowboy/stronglink,btrask/stronglink,guiquanz/stronglink,rmoorman/stronglink,Lacra17/stronglink,Ryezhang/stronglink,rmoorman/stronglink,Ryezhang/stronglink,Lacra17/stronglink,Ryezhang/stronglink,btrask/stronglink,rmoorman/stronglink,guiquanz/stronglink,feld/stronglink,shaunstanislaus/stronglink,guiquanz/stronglink,yamingd/stronglink,iOSCowboy/stronglink,feld/stronglink,yamingd/stronglink,yamingd/stronglink,nkatsaros/stronglink,btrask/stronglink,shaunstanislaus/stronglink