hg: openjfx/9-dev/rt: 8169204: Need to document JSObject Call and setSlot APIs to use weak references

[murali.billa at oracle.com]

Changeset: de0071f81192
Author:    mbilla
Date:      2016-11-05 21:55 +0530
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/de0071f81192

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

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