hg: openjfx/8u-dev/rt: 8203698: JavaFX WebView crashes when visiting certain web sites

[murali.billa at oracle.com]

Changeset: a17798f5e35c
Author:    mbilla
Date:      2018-06-01 14:44 +0530
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/a17798f5e35c

8203698: JavaFX WebView crashes when visiting certain web sites
Reviewed-by: kcr, arajkumar
Contributed-by: murali.billa at oracle.com, arunprasad.rajkumar at oracle.com

! modules/web/src/main/native/Source/WebCore/platform/java/ScrollbarThemeJava.cpp
! modules/web/src/main/native/Source/WebCore/platform/java/ScrollbarThemeJava.h
+ tests/system/src/test/java/javafx/scene/web/SVGTest.java
+ tests/system/src/test/resources/javafx/scene/web/crash-on-scrollable-svg.html