hg: jdk8/tl/jdk: 7128648: HttpURLConnection.getHeaderFields should return an unmodifiable Map

[chris.hegarty at oracle.com]

Changeset: 31a1fc60a895
Author:    chegar
Date:      2012-01-11 10:52 +0000
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/31a1fc60a895

7128648: HttpURLConnection.getHeaderFields should return an unmodifiable Map
Reviewed-by: michaelm

! src/share/classes/sun/net/www/protocol/http/HttpURLConnection.java
+ test/java/net/HttpURLConnection/UnmodifiableMaps.java