hg: jdk8u/jdk8u/jdk: 3 new changesets

[rob.mckenna at oracle.com]

Changeset: 6bf37c9c0871
Author:    serb
Date:      2015-10-21 18:32 +0300
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/6bf37c9c0871

8138764: In some cases the usage of TreeLock can be replaced by other synchronization
Reviewed-by: alexp, alexsch

! src/share/classes/java/awt/Component.java
! src/share/classes/java/awt/Window.java
! src/share/classes/sun/swing/CachedPainter.java
+ test/java/awt/Component/TreeLockDeadlock/TreeLockDeadlock.java

Changeset: fabe06a4800a
Author:    serb
Date:      2015-10-21 21:28 +0300
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/fabe06a4800a

8041900: [macosx] Java forces the use of discrete GPU
Reviewed-by: ssadetsky, alexsch

! src/macosx/native/sun/awt/CGraphicsEnv.m
! src/macosx/native/sun/java2d/opengl/CGLGraphicsConfig.m

Changeset: 5c1d06cd7d7b
Author:    robm
Date:      2015-10-27 03:51 +0000
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/5c1d06cd7d7b

Merge