Update renderer to layoutObject in core/html.

Source/core/html/HTMLTableCellElement.cpp

Index: Source/core/html/HTMLTableCellElement.cpp
diff --git a/Source/core/html/HTMLTableCellElement.cpp b/Source/core/html/HTMLTableCellElement.cpp
index c3e104c52b93dc1623e15e5136da56b5ea47bae8..875b6d5b4b681b392fc120510790891c25b7c15e 100644
--- a/Source/core/html/HTMLTableCellElement.cpp
+++ b/Source/core/html/HTMLTableCellElement.cpp
@@ -178,18 +178,18 @@ const AtomicString& HTMLTableCellElement::scope() const
 
 HTMLTableCellElement* HTMLTableCellElement::cellAbove() const
 {
-    LayoutObject* cellRenderer = layoutObject();
-    if (!cellRenderer)
+    LayoutObject* cellLayoutObject = layoutObject();
+    if (!cellLayoutObject)
         return nullptr;
-    if (!cellRenderer->isTableCell())
+    if (!cellLayoutObject->isTableCell())
         return nullptr;
 
-    LayoutTableCell* tableCellRenderer = toLayoutTableCell(cellRenderer);
-    LayoutTableCell* cellAboveRenderer = tableCellRenderer->table()->cellAbove(tableCellRenderer);
-    if (!cellAboveRenderer)
+    LayoutTableCell* tableCellLayoutObject = toLayoutTableCell(cellLayoutObject);
+    LayoutTableCell* cellAboveLayoutObject = tableCellLayoutObject->table()->cellAbove(tableCellLayoutObject);
+    if (!cellAboveLayoutObject)
         return nullptr;
 
-    return toHTMLTableCellElement(cellAboveRenderer->node());
+    return toHTMLTableCellElement(cellAboveLayoutObject->node());
 }
 
 } // namespace blink