[SVG2] Add getters and setters to SVG*List interfaces.

Source/core/rendering/svg/SVGTextLayoutAttributesBuilder.cpp

Index: Source/core/rendering/svg/SVGTextLayoutAttributesBuilder.cpp
diff --git a/Source/core/rendering/svg/SVGTextLayoutAttributesBuilder.cpp b/Source/core/rendering/svg/SVGTextLayoutAttributesBuilder.cpp
index c325613d57502a13df88663e205e3179ccf4967c..35811eb4a58be84a8390dea0e9394f6f9c00e877 100644
--- a/Source/core/rendering/svg/SVGTextLayoutAttributesBuilder.cpp
+++ b/Source/core/rendering/svg/SVGTextLayoutAttributesBuilder.cpp
@@ -185,11 +185,11 @@ void SVGTextLayoutAttributesBuilder::fillCharacterDataMap(const TextPosition& po
     RefPtr<SVGLengthList> dyList = position.element->dy()->currentValue();
     RefPtr<SVGNumberList> rotateList = position.element->rotate()->currentValue();
 
-    unsigned xListSize = xList->numberOfItems();
-    unsigned yListSize = yList->numberOfItems();
-    unsigned dxListSize = dxList->numberOfItems();
-    unsigned dyListSize = dyList->numberOfItems();
-    unsigned rotateListSize = rotateList->numberOfItems();
+    unsigned xListSize = xList->length();
+    unsigned yListSize = yList->length();
+    unsigned dxListSize = dxList->length();
+    unsigned dyListSize = dyList->length();
+    unsigned rotateListSize = rotateList->length();
     if (!xListSize && !yListSize && !dxListSize && !dyListSize && !rotateListSize)
         return;
 
@@ -219,7 +219,7 @@ void SVGTextLayoutAttributesBuilder::fillCharacterDataMap(const TextPosition& po
     if (lastRotation == SVGTextLayoutAttributes::emptyValue())
         return;
 
-    for (unsigned i = rotateList->numberOfItems(); i < position.length; ++i) {
+    for (unsigned i = rotateList->length(); i < position.length; ++i) {
         SVGCharacterDataMap::iterator it = m_characterDataMap.find(position.start + i + 1);
         if (it == m_characterDataMap.end()) {
             SVGCharacterData data;