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

Source/core/svg/properties/NewSVGListPropertyHelper.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 107 matching lines @@
     }
 
     bool operator==(const Derived&) const;
     bool operator!=(const Derived& other) const
     {
         return !(*this == other);
     }
 
     bool isEmpty() const
     {
-        return !numberOfItems();
+        return !length();
     }
 
     // SVGList*Property DOM spec:
 
-    size_t numberOfItems() const
+    size_t length() const
     {
         return m_values.size();
     }
 
     void clear();
 
     PassRefPtr<ItemPropertyType> initialize(PassRefPtr<ItemPropertyType>);
     PassRefPtr<ItemPropertyType> getItem(size_t, ExceptionState&);
     PassRefPtr<ItemPropertyType> insertItemBefore(PassRefPtr<ItemPropertyType>, size_t);
     PassRefPtr<ItemPropertyType> removeItem(size_t, ExceptionState&);
@@ skipping 17 matching lines @@
 
         RefPtr<NewSVGPropertyBase> base = passBase;
         ASSERT(base->type() == Derived::classType());
         return static_pointer_cast<Derived>(base);
     }
 };
 
 template<typename Derived, typename ItemProperty>
 bool NewSVGListPropertyHelper<Derived, ItemProperty>::operator==(const Derived& other) const
 {
-    if (numberOfItems() != other.numberOfItems())
+    if (length() != other.length())
         return false;
 
-    size_t length = numberOfItems();
-    for (size_t i = 0; i < length; ++i) {
+    size_t size = length();
+    for (size_t i = 0; i < size; ++i) {
         if (*at(i) != *other.at(i))
             return false;
     }
 
     return true;
 }
 
 template<typename Derived, typename ItemProperty>
 void NewSVGListPropertyHelper<Derived, ItemProperty>::clear()
 {
@@ skipping 29 matching lines @@
         return nullptr;
 
     ASSERT(index < m_values.size());
     ASSERT(m_values.at(index)->ownerList() == this);
     return m_values.at(index);
 }
 
 template<typename Derived, typename ItemProperty>
 PassRefPtr<ItemProperty> NewSVGListPropertyHelper<Derived, ItemProperty>::insertItemBefore(PassRefPtr<ItemProperty> passNewItem, size_t index)
 {
-    // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
+    // Spec: If the index is greater than or equal to length, then the new item is appended to the end of the list.
     if (index > m_values.size())
         index = m_values.size();
 
     RefPtr<ItemPropertyType> newItem = passNewItem;
 
     // Spec: If newItem is already in a list, it is removed from its previous list before it is inserted into this list.
     if (!removeFromOldOwnerListAndAdjustIndex(newItem, &index)) {
         // Inserting the item before itself is a no-op.
         return newItem.release();
     }
@@ skipping 126 matching lines @@
     typename Vector<RefPtr<ItemPropertyType> >::const_iterator it = from->m_values.begin();
     typename Vector<RefPtr<ItemPropertyType> >::const_iterator itEnd = from->m_values.end();
     for (; it != itEnd; ++it) {
         append((*it)->clone());
     }
 }
 
 }
 
 #endif // NewSVGListPropertyHelper_h