Make removeChild faster with active ranges

third_party/WebKit/Source/core/dom/Range.cpp

Index: third_party/WebKit/Source/core/dom/Range.cpp
diff --git a/third_party/WebKit/Source/core/dom/Range.cpp b/third_party/WebKit/Source/core/dom/Range.cpp
index cd584d417eac1d984e47fb3e70216029cbc41651..700a2da329297c17ff977c39b43e9de33b8b470a 100644
--- a/third_party/WebKit/Source/core/dom/Range.cpp
+++ b/third_party/WebKit/Source/core/dom/Range.cpp
@@ -1337,24 +1337,6 @@ bool areRangesEqual(const Range* a, const Range* b)
     return a->startPosition() == b->startPosition() && a->endPosition() == b->endPosition();
 }
 
-static inline void boundaryNodeChildrenChanged(RangeBoundaryPoint& boundary, ContainerNode* container)
-{
-    boundary.markValid();
-    if (!boundary.childBefore())
-        return;
-    if (boundary.container() != container)
-        return;
-    boundary.invalidateOffset();
-}
-
-void Range::nodeChildrenChanged(ContainerNode* container)
-{
-    DCHECK(container);
-    DCHECK_EQ(container->document(), m_ownerDocument);
-    boundaryNodeChildrenChanged(m_start, container);
-    boundaryNodeChildrenChanged(m_end, container);
-}
-
 static inline void boundaryNodeChildrenWillBeRemoved(RangeBoundaryPoint& boundary, ContainerNode& container)
 {
     for (Node* nodeToBeRemoved = container.firstChild(); nodeToBeRemoved; nodeToBeRemoved = nodeToBeRemoved->nextSibling()) {