Remove Range.compareNode() as it is not in the spec

Source/core/editing/htmlediting.cpp

Index: Source/core/editing/htmlediting.cpp
diff --git a/Source/core/editing/htmlediting.cpp b/Source/core/editing/htmlediting.cpp
index 5931c1f11ca9c7c35860319ffbe13b96b61f26ee..391e5ab312e7194d5160663ecdbaf8d012234451 100644
--- a/Source/core/editing/htmlediting.cpp
+++ b/Source/core/editing/htmlediting.cpp
@@ -1102,8 +1102,7 @@ VisiblePosition visiblePositionForIndex(int index, ContainerNode* scope)
 // Call this function to determine whether a node is visibly fit inside selectedRange
 bool isNodeVisiblyContainedWithin(Node& node, const Range& selectedRange)
 {
-    // If the node is inside the range, then it surely is contained within
-    if (selectedRange.compareNode(&node, IGNORE_EXCEPTION) == Range::NODE_INSIDE)
+    if (selectedRange.isNodeFullySelected(node))
         return true;
 
     bool startIsVisuallySame = visiblePositionBeforeNode(node) == VisiblePosition(selectedRange.startPosition());