PR_INIT_CLIST(this);
mStreamIO->IncrementInputStreamCount();
nsDiskCacheInputStream::nsDiskCacheInputStream( nsDiskCacheStreamIO * parent,                                                PRFileDesc *          fileDesc,                                                const char *          buffer,                                                PRUint32              endOfStream)    : mStreamIO(parent)    , mFD(fileDesc)    , mBuffer(buffer)    , mStreamEnd(endOfStream)    , mPos(0){    NS_INIT_ISUPPORTS();    PR_INIT_CLIST(this);}