hg: openjfx/8u-dev/rt: 8169204: Need to document JSObject Call and setSlot APIs to use weak references

[murali.billa at oracle.com]

Changeset: 567327715e72
Author:    mbilla
Date:      2016-11-05 22:02 +0530
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/567327715e72

8169204: Need to document JSObject Call and setSlot APIs to use weak references
Reviewed-by: kcr

! modules/web/src/main/java/javafx/scene/web/WebEngine.java