https://bugs.webkit.org/show_bug.cgi?id=42244

Reviewed by Nikolas Zimmermann.

WebCore: 

Implementing svgAttributeChanged for SVGFEOffsetElement object.

Tests: svg/dynamic-updates/SVGFEOffsetElement-dom-dx-attr.html
       svg/dynamic-updates/SVGFEOffsetElement-dom-dy-attr.html
       svg/dynamic-updates/SVGFEOffsetElement-dom-in-attr.html
       svg/dynamic-updates/SVGFEOffsetElement-svgdom-dx-prop.html
       svg/dynamic-updates/SVGFEOffsetElement-svgdom-dy-prop.html
       svg/dynamic-updates/SVGFEOffsetElement-svgdom-in-prop.html

* svg/SVGFEOffsetElement.cpp:
(WebCore::SVGFEOffsetElement::svgAttributeChanged):
* svg/SVGFEOffsetElement.h:

LayoutTests: 

* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-dom-dx-attr-expected.checksum: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-dom-dx-attr-expected.png: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-dom-dy-attr-expected.checksum: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-dom-dy-attr-expected.png: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-dom-in-attr-expected.checksum: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-dom-in-attr-expected.png: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-svgdom-dx-prop-expected.checksum: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-svgdom-dx-prop-expected.png: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-svgdom-dy-prop-expected.checksum: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-svgdom-dy-prop-expected.png: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-svgdom-in-prop-expected.checksum: Added.
* platform/mac/svg/dynamic-updates/SVGFEOffsetElement-svgdom-in-prop-expected.png: Added.
* svg/dynamic-updates/SVGFEOffsetElement-dom-dx-attr-expected.txt: Added.
* svg/dynamic-updates/SVGFEOffsetElement-dom-dx-attr.html: Added.
* svg/dynamic-updates/SVGFEOffsetElement-dom-dy-attr-expected.txt: Added.
* svg/dynamic-updates/SVGFEOffsetElement-dom-dy-attr.html: Added.
* svg/dynamic-updates/SVGFEOffsetElement-dom-in-attr-expected.txt: Added.
* svg/dynamic-updates/SVGFEOffsetElement-dom-in-attr.html: Added.
* svg/dynamic-updates/SVGFEOffsetElement-svgdom-dx-prop-expected.txt: Added.
* svg/dynamic-updates/SVGFEOffsetElement-svgdom-dx-prop.html: Added.
* svg/dynamic-updates/SVGFEOffsetElement-svgdom-dy-prop-expected.txt: Added.
* svg/dynamic-updates/SVGFEOffsetElement-svgdom-dy-prop.html: Added.
* svg/dynamic-updates/SVGFEOffsetElement-svgdom-in-prop-expected.txt: Added.
* svg/dynamic-updates/SVGFEOffsetElement-svgdom-in-prop.html: Added.
* svg/dynamic-updates/script-tests/SVGFEOffsetElement-dom-dx-attr.js: Added.
(executeTest):
* svg/dynamic-updates/script-tests/SVGFEOffsetElement-dom-dy-attr.js: Added.
(executeTest):
* svg/dynamic-updates/script-tests/SVGFEOffsetElement-dom-in-attr.js: Added.
(executeTest):
* svg/dynamic-updates/script-tests/SVGFEOffsetElement-svgdom-dx-prop.js: Added.
(executeTest):
* svg/dynamic-updates/script-tests/SVGFEOffsetElement-svgdom-dy-prop.js: Added.
(executeTest):
* svg/dynamic-updates/script-tests/SVGFEOffsetElement-svgdom-in-prop.js: Added.
(executeTest):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@64192 268f45cc-cd09-0410-ab3c-d52691b4dbfc