hg: jdk9/client/jdk: 8138764: In some cases the usage of TreeLock can be replaced by other synchronization

[sergey.bylokhov at oracle.com]

Changeset: c62b791a8960
Author:    serb
Date:      2015-10-21 18:32 +0300
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/c62b791a8960

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

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