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

Source/core/rendering/RenderInline.cpp

Index: Source/core/rendering/RenderInline.cpp
diff --git a/Source/core/rendering/RenderInline.cpp b/Source/core/rendering/RenderInline.cpp
index e1501a8af492178a6757f6166143e778f45c9d1f..900853ee0040bca15065a68133117375eb09f78b 100644
--- a/Source/core/rendering/RenderInline.cpp
+++ b/Source/core/rendering/RenderInline.cpp
@@ -51,6 +51,12 @@ RenderInline::RenderInline(Element* element)
     setChildrenInline(true);
 }
 
+void RenderInline::trace(Visitor* visitor)
+{
+    visitor->trace(m_children);
+    RenderBoxModelObject::trace(visitor);
+}
+
 RenderInline* RenderInline::createAnonymous(Document* document)
 {
     RenderInline* renderer = new RenderInline(0);