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

Source/core/svg/SVGLengthList.cpp

Index: Source/core/svg/SVGLengthList.cpp
diff --git a/Source/core/svg/SVGLengthList.cpp b/Source/core/svg/SVGLengthList.cpp
index e6dbf564fe405b2fff55056de0852ed28f53ea83..c9672311028b3b96d85377a92ec447713c140491 100644
--- a/Source/core/svg/SVGLengthList.cpp
+++ b/Source/core/svg/SVGLengthList.cpp
@@ -119,11 +119,11 @@ void SVGLengthList::add(PassRefPtr<NewSVGPropertyBase> other, SVGElement* contex
 {
     RefPtr<SVGLengthList> otherList = toSVGLengthList(other);
 
-    if (numberOfItems() != otherList->numberOfItems())
+    if (length() != otherList->length())
         return;
 
     SVGLengthContext lengthContext(contextElement);
-    for (size_t i = 0; i < numberOfItems(); ++i)
+    for (size_t i = 0; i < length(); ++i)
         at(i)->setValue(at(i)->value(lengthContext) + otherList->at(i)->value(lengthContext), lengthContext, ASSERT_NO_EXCEPTION);
 }
 
@@ -133,12 +133,12 @@ bool SVGLengthList::adjustFromToListValues(PassRefPtr<SVGLengthList> passFromLis
     RefPtr<SVGLengthList> toList = passToList;
 
     // If no 'to' value is given, nothing to animate.
-    size_t toListSize = toList->numberOfItems();
+    size_t toListSize = toList->length();
     if (!toListSize)
         return false;
 
     // If the 'from' value is given and it's length doesn't match the 'to' value list length, fallback to a discrete animation.
-    size_t fromListSize = fromList->numberOfItems();
+    size_t fromListSize = fromList->length();
     if (fromListSize != toListSize && fromListSize) {
         if (percentage < 0.5) {
             if (!isToAnimation)
@@ -151,8 +151,8 @@ bool SVGLengthList::adjustFromToListValues(PassRefPtr<SVGLengthList> passFromLis
     }
 
     ASSERT(!fromListSize || fromListSize == toListSize);
-    if (resizeAnimatedListIfNeeded && numberOfItems() < toListSize) {
-        size_t paddingCount = toListSize - numberOfItems();
+    if (resizeAnimatedListIfNeeded && length() < toListSize) {
+        size_t paddingCount = toListSize - length();
         for (size_t i = 0; i < paddingCount; ++i)
             append(SVGLength::create(m_mode));
     }
@@ -169,9 +169,9 @@ void SVGLengthList::calculateAnimatedValue(SVGAnimationElement* animationElement
     SVGLengthContext lengthContext(contextElement);
     ASSERT(m_mode == SVGLength::lengthModeForAnimatedLengthAttribute(animationElement->attributeName()));
 
-    size_t fromLengthListSize = fromList->numberOfItems();
-    size_t toLengthListSize = toList->numberOfItems();
-    size_t toAtEndOfDurationListSize = toAtEndOfDurationList->numberOfItems();
+    size_t fromLengthListSize = fromList->length();
+    size_t toLengthListSize = toList->length();
+    size_t toAtEndOfDurationListSize = toAtEndOfDurationList->length();
 
     if (!adjustFromToListValues(fromList, toList, percentage, animationElement->animationMode() == ToAnimation, true))
         return;