Rename nodes/elements traversal function names.

Source/core/editing/markup.cpp

Index: Source/core/editing/markup.cpp
diff --git a/Source/core/editing/markup.cpp b/Source/core/editing/markup.cpp
index 6ef653f57f41b7fcad65b1d98984a9c60b9fb017..9250af5dfa03b1b7bf9079e51ce324357766d3f7 100644
--- a/Source/core/editing/markup.cpp
+++ b/Source/core/editing/markup.cpp
@@ -674,7 +674,7 @@ static const char fragmentMarkerTag[] = "webkit-fragment-marker";
 
 static bool findNodesSurroundingContext(Document* document, RefPtrWillBeRawPtr<Comment>& nodeBeforeContext, RefPtrWillBeRawPtr<Comment>& nodeAfterContext)
 {
-    for (Node& node : NodeTraversal::from(document->firstChild())) {
+    for (Node& node : NodeTraversal::startsAt(document->firstChild())) {
         if (node.nodeType() == Node::COMMENT_NODE && toComment(node).data() == fragmentMarkerTag) {
             if (!nodeBeforeContext)
                 nodeBeforeContext = &toComment(node);