Rename nodes/elements traversal function names.

Source/core/dom/DocumentOrderedMap.cpp

Index: Source/core/dom/DocumentOrderedMap.cpp
diff --git a/Source/core/dom/DocumentOrderedMap.cpp b/Source/core/dom/DocumentOrderedMap.cpp
index c0b4039bed16d3360216ac911babb5a9bd6adc40..f71fcee109d1d714a3bfd16efdd6489a2b494b55 100644
--- a/Source/core/dom/DocumentOrderedMap.cpp
+++ b/Source/core/dom/DocumentOrderedMap.cpp
@@ -121,7 +121,7 @@ inline Element* DocumentOrderedMap::get(const AtomicString& key, const TreeScope
         return entry->element;
 
     // We know there's at least one node that matches; iterate to find the first one.
-    for (Element& element : ElementTraversal::fromNext(scope->rootNode())) {
+    for (Element& element : ElementTraversal::startsAfter(scope->rootNode())) {
         if (!keyMatches(key, element))
             continue;
         entry->element = &element;