[SVG] Refactor getIntersectionList() and getEnclosureList()

Source/core/svg/SVGSVGElement.h

Index: Source/core/svg/SVGSVGElement.h
diff --git a/Source/core/svg/SVGSVGElement.h b/Source/core/svg/SVGSVGElement.h
index 235a0bf690ffb0984cae223ff667edab7d7088af..526f6d1f02182077bb5a6c6b32b0e4a3ee25599a 100644
--- a/Source/core/svg/SVGSVGElement.h
+++ b/Source/core/svg/SVGSVGElement.h
@@ -151,12 +151,13 @@ private:
 
     void updateCurrentTranslate();
 
-    enum CollectIntersectionOrEnclosure {
-        CollectIntersectionList,
-        CollectEnclosureList
+    enum CheckIntersectionOrEnclosure {
+        CheckIntersection,
+        CheckEnclosure
     };
 
-    PassRefPtr<NodeList> collectIntersectionOrEnclosureList(const FloatRect&, SVGElement*, CollectIntersectionOrEnclosure) const;
+    bool checkIntersectionOrEnclosure(const SVGElement&, const FloatRect&, CheckIntersectionOrEnclosure) const;
+    PassRefPtr<NodeList> collectIntersectionOrEnclosureList(const FloatRect&, SVGElement*, CheckIntersectionOrEnclosure) const;
 
     RefPtr<SVGAnimatedLength> m_x;
     RefPtr<SVGAnimatedLength> m_y;