hg: jdk/sandbox: flush chunk

[markus.gronlund at oracle.com]

Changeset: 76d4428af8b6
Author:    mgronlun
Date:      2019-09-10 16:02 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/76d4428af8b6

flush chunk

! src/hotspot/share/jfr/recorder/repository/jfrChunk.cpp
! src/hotspot/share/jfr/recorder/repository/jfrChunk.hpp
! src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.cpp
! src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.hpp
! src/hotspot/share/jfr/recorder/repository/jfrRepository.cpp