Oilpan: Fix untraced weak members.

Source/core/svg/SVGElementRareData.cpp

Index: Source/core/svg/SVGElementRareData.cpp
diff --git a/Source/core/svg/SVGElementRareData.cpp b/Source/core/svg/SVGElementRareData.cpp
index dc7e0a4731b4be8a7d0b5295bb4e6b4f30b82a07..ba5ab64a853edb82208083d96cb92a6c0762b873 100644
--- a/Source/core/svg/SVGElementRareData.cpp
+++ b/Source/core/svg/SVGElementRareData.cpp
@@ -37,12 +37,14 @@ LayoutStyle* SVGElementRareData::overrideComputedStyle(Element* element, LayoutS
 DEFINE_TRACE(SVGElementRareData)
 {
 #if ENABLE(OILPAN)
+    visitor->trace(m_owner);
     visitor->trace(m_outgoingReferences);
     visitor->trace(m_incomingReferences);
-    visitor->trace(m_animatedSMILStyleProperties);
     visitor->trace(m_elementInstances);
+    visitor->trace(m_cursorElement);
+    visitor->trace(m_cursorImageValue);
     visitor->trace(m_correspondingElement);
-    visitor->trace(m_owner);
+    visitor->trace(m_animatedSMILStyleProperties);
     visitor->template registerWeakMembers<SVGElementRareData, &SVGElementRareData::processWeakMembers>(this);
 #endif
 }