[SVG] Refactor getIntersectionList() and getEnclosureList()

LayoutTests/svg/dom/SVGSVGElement-intersection-enclosure-expected.txt

Index: LayoutTests/svg/dom/SVGSVGElement-intersection-enclosure-expected.txt
diff --git a/LayoutTests/svg/dom/SVGSVGElement-intersection-enclosure-expected.txt b/LayoutTests/svg/dom/SVGSVGElement-intersection-enclosure-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb8890621fe9f501a9f91f6022cd17e7f399f047
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+++ b/LayoutTests/svg/dom/SVGSVGElement-intersection-enclosure-expected.txt
@@ -0,0 +1,38 @@
+Verify SVGSVGElement's getIntersectionList() and getEnclosureList() behavior.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+
+rect: [50 50 150 150]
+PASS svg.getEnclosureList(rect, null).length is 100
+PASS svg.getIntersectionList(rect, null).length is 100
+
+rect: [55 55 145 145]
+PASS svg.getEnclosureList(rect, null).length is 64
+PASS svg.getIntersectionList(rect, null).length is 100
+
+Zooming should not affect the results.
+
+rect: [50 50 150 150]
+PASS svg.getEnclosureList(rect, null).length is 100
+PASS svg.getIntersectionList(rect, null).length is 100
+
+rect: [55 55 145 145]
+PASS svg.getEnclosureList(rect, null).length is 64
+PASS svg.getIntersectionList(rect, null).length is 100
+
+But a viewbox transform should.
+
+rect: [50 50 150 150]
+PASS svg.getEnclosureList(rect, null).length is 36
+PASS svg.getIntersectionList(rect, null).length is 49
+
+rect: [55 55 145 145]
+PASS svg.getEnclosureList(rect, null).length is 25
+PASS svg.getIntersectionList(rect, null).length is 36
+
+PASS successfullyParsed is true
+
+TEST COMPLETE
+