https://bugs.webkit.org/show_bug.cgi?id=39004

Reviewed by Dirk Schulze.

Make FELighting::apply() similar to other filters' applies
to avoid an assertion fail in putUnmultipliedImageData(),
when effectDrawingRect has negative location (x or y is less than 0).

Test: svg/filters/feLighting-crash.svg

* svg/graphics/filters/SVGFELighting.cpp:
(WebCore::FELighting::apply):

LayoutTests: In case of lighting SVG effects, a wider output rectangle
than the input image size should not cause crash.
https://bugs.webkit.org/show_bug.cgi?id=39004

Reviewed by Dirk Schulze.

* platform/mac/svg/filters/feLighting-crash-expected.checksum: Added.
* platform/mac/svg/filters/feLighting-crash-expected.png: Added.
* platform/mac/svg/filters/feLighting-crash-expected.txt: Added.
* platform/qt/svg/filters/feLighting-crash-expected.txt: Added.
* svg/filters/feLighting-crash.svg: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@59832 268f45cc-cd09-0410-ab3c-d52691b4dbfc