Merge 109362

Source/WebCore/html/HTMLTableElement.cpp

Index: Source/WebCore/html/HTMLTableElement.cpp
===================================================================
--- Source/WebCore/html/HTMLTableElement.cpp	(revision 109461)
+++ Source/WebCore/html/HTMLTableElement.cpp	(working copy)
@@ -185,13 +185,15 @@
         return 0;
     }
 
-    HTMLTableRowElement* lastRow = 0;
-    HTMLTableRowElement* row = 0;
+    RefPtr<Node> protectFromMutationEvents(this);
+
+    RefPtr<HTMLTableRowElement> lastRow = 0;
+    RefPtr<HTMLTableRowElement> row = 0;
     if (index == -1)
         lastRow = HTMLTableRowsCollection::lastRow(this);
     else {
         for (int i = 0; i <= index; ++i) {
-            row = HTMLTableRowsCollection::rowAfter(this, lastRow);
+            row = HTMLTableRowsCollection::rowAfter(this, lastRow.get());
             if (!row) {
                 if (i != index) {
                     ec = INDEX_SIZE_ERR;
@@ -203,7 +205,7 @@
         }
     }
 
-    ContainerNode* parent;
+    RefPtr<ContainerNode> parent;
     if (lastRow)
         parent = row ? row->parentNode() : lastRow->parentNode();
     else {
@@ -218,7 +220,7 @@
     }
 
     RefPtr<HTMLTableRowElement> newRow = HTMLTableRowElement::create(document());
-    parent->insertBefore(newRow, row, ec);
+    parent->insertBefore(newRow, row.get(), ec);
     return newRow.release();
 }