Rename QuicSpdySession::SendMaxHeaderListSize() to QuicSpdySession::SendInitialData(). Make this method private and use max_inbound_header_list_size_ explicitly instead of requiring it to be passed in by the caller. gfe-relnote: n/a - Rename only PiperOrigin-RevId: 274271904 Change-Id: I3dd1094b441cf0929599d9dc3f65aabb3483149f