DcheckClosed      522 net/spdy/spdy_session.cc   DcheckClosed();
DcheckClosed     1565 net/spdy/spdy_session.cc   DcheckClosed();
DcheckClosed     1575 net/spdy/spdy_session.cc   DcheckClosed();
DcheckClosed      739 net/spdy/spdy_session.h   void DcheckClosed() const;