1 files changed, 0 insertions, 59 deletions
diff --git a/Source/WebCore/dom/Node.cpp b/Source/WebCore/dom/Node.cpp
index ba9886615..34495b5c7 100644
--- a/Source/WebCore/dom/Node.cpp
+++ b/Source/WebCore/dom/Node.cpp
@@ -938,65 +938,6 @@ bool Node::containsIncludingHostElements(const Node* node) const
 #endif
 }
 
-static inline Node* ancestor(Node* node, unsigned depth)
-{
-    for (unsigned i = 0; i < depth; ++i)
-        node = node->parentNode();
-    return node;
-}
-
-Node* commonAncestor(Node& thisNode, Node& otherNode)
-{
-    unsigned thisDepth = 0;
-    for (auto node = &thisNode; node; node = node->parentNode()) {
-        if (node == &otherNode)
-            return node;
-        thisDepth++;
-    }
-    unsigned otherDepth = 0;
-    for (auto node = &otherNode; node; node = node->parentNode()) {
-        if (node == &thisNode)
-            return &thisNode;
-        otherDepth++;
-    }
-
-    Node* thisAncestor = &thisNode;
-    Node* otherAncestor = &otherNode;
-    if (thisDepth > otherDepth)
-        thisAncestor = ancestor(thisAncestor, thisDepth - otherDepth);
-    else if (otherDepth > thisDepth)
-        otherAncestor = ancestor(otherAncestor, otherDepth - thisDepth);
-
-    for (; thisAncestor; thisAncestor = thisAncestor->parentNode()) {
-        if (thisAncestor == otherAncestor)
-            return thisAncestor;
-        otherAncestor = otherAncestor->parentNode();
-    }
-    ASSERT(!otherAncestor);
-    return nullptr;
-}
-
-Node* commonAncestorCrossingShadowBoundary(Node& node, Node& other)
-{
-    if (&node == &other)
-        return &node;
-
-    Element* shadowHost = node.shadowHost();
-    // FIXME: This test might be wrong for user-authored shadow trees.
-    if (shadowHost && shadowHost == other.shadowHost())
-        return shadowHost;
-
-    TreeScope* scope = commonTreeScope(&node, &other);
-    if (!scope)
-        return nullptr;
-
-    Node* parentNode = scope->ancestorInThisScope(&node);
-    ASSERT(parentNode);
-    Node* parentOther = scope->ancestorInThisScope(&other);
-    ASSERT(parentOther);
-    return commonAncestor(*parentNode, *parentOther);
-}
-
 Node* Node::pseudoAwarePreviousSibling() const
 {
     Element* parentOrHost = is<PseudoElement>(*this) ? downcast<PseudoElement>(*this).hostElement() : parentElement();