Oilpan: Prepare to move RenderObject and RenderObjectChildList to Oilpan heap.

Source/core/rendering/RenderTableRow.cpp

Index: Source/core/rendering/RenderTableRow.cpp
diff --git a/Source/core/rendering/RenderTableRow.cpp b/Source/core/rendering/RenderTableRow.cpp
index 8b688d9e85ac51e8ed2a13c04a62d181b6ea12e1..7179308aebef022e8b53b818abecd7c924141bfc 100644
--- a/Source/core/rendering/RenderTableRow.cpp
+++ b/Source/core/rendering/RenderTableRow.cpp
@@ -47,6 +47,12 @@ RenderTableRow::RenderTableRow(Element* element)
     setInline(false);   // our object is not Inline
 }
 
+void RenderTableRow::trace(Visitor* visitor)
+{
+    visitor->trace(m_children);
+    RenderBox::trace(visitor);
+}
+
 void RenderTableRow::willBeRemovedFromTree()
 {
     RenderBox::willBeRemovedFromTree();