Merge 116545

Source/WebCore/editing/ReplaceSelectionCommand.cpp

Index: Source/WebCore/editing/ReplaceSelectionCommand.cpp
===================================================================
--- Source/WebCore/editing/ReplaceSelectionCommand.cpp	(revision 118025)
+++ Source/WebCore/editing/ReplaceSelectionCommand.cpp	(working copy)
@@ -1336,7 +1336,7 @@
     if (nodeToSplitToAvoidPastingIntoInlineNodesWithStyle(endingSelection().start()))
         return false;
 
-    Node* nodeAfterInsertionPos = endingSelection().end().downstream().anchorNode();
+    RefPtr<Node> nodeAfterInsertionPos = endingSelection().end().downstream().anchorNode();
     Text* textNode = toText(fragment.firstChild());
     // Our fragment creation code handles tabs, spaces, and newlines, so we don't have to worry about those here.
 
@@ -1345,8 +1345,9 @@
     if (end.isNull())
         return false;
 
-    if (nodeAfterInsertionPos && nodeAfterInsertionPos->hasTagName(brTag) && shouldRemoveEndBR(nodeAfterInsertionPos, positionBeforeNode(nodeAfterInsertionPos)))
-        removeNodeAndPruneAncestors(nodeAfterInsertionPos);
+    if (nodeAfterInsertionPos && nodeAfterInsertionPos->parentNode() && nodeAfterInsertionPos->hasTagName(brTag)
+        && shouldRemoveEndBR(nodeAfterInsertionPos.get(), positionBeforeNode(nodeAfterInsertionPos.get())))
+        removeNodeAndPruneAncestors(nodeAfterInsertionPos.get());
 
     VisibleSelection selectionAfterReplace(m_selectReplacement ? start : end, end);