hg: jdk/sandbox: http-client-branch: fix race condition between WebSocket and PlainHttpConnection::detachChannel

[daniel.fuchs at oracle.com]

Changeset: 903ff8ec239d
Author:    dfuchs
Date:      2018-03-13 20:17 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/903ff8ec239d

http-client-branch: fix race condition between WebSocket and PlainHttpConnection::detachChannel

! src/java.net.http/share/classes/jdk/internal/net/http/HttpClientImpl.java
! src/java.net.http/share/classes/jdk/internal/net/http/PlainHttpConnection.java
! src/java.net.http/share/classes/jdk/internal/net/http/SocketTube.java