hg: jdk9/sandbox/jdk: http-client-branch: Improvements and code reuse between ImmutableHeaders and ResponseHeaders; removed unused code in Stream and strange and likely irrelevant TODO in ImmutableHeaders

[pavel.rappo at oracle.com]

Changeset: 32826ebf4627
Author:    prappo
Date:      2016-08-23 19:35 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/32826ebf4627

http-client-branch: Improvements and code reuse between ImmutableHeaders and ResponseHeaders; removed unused code in Stream and strange and likely irrelevant TODO in  ImmutableHeaders

! src/java.httpclient/share/classes/java/net/http/HttpRequestImpl.java
! src/java.httpclient/share/classes/java/net/http/ImmutableHeaders.java
! src/java.httpclient/share/classes/java/net/http/ResponseHeaders.java
! src/java.httpclient/share/classes/java/net/http/Stream.java