Oilpan: Replace RefPtrs to Node and its subclasses in core/testing with Oilpan transition types.

Source/core/testing/LayerRectList.cpp

Index: Source/core/testing/LayerRectList.cpp
diff --git a/Source/core/testing/LayerRectList.cpp b/Source/core/testing/LayerRectList.cpp
index 1fbc229ed47a78aa021111f4902daf87fb9c295e..e95d273abf63c2e58e81b7587fb3a022cd5ddcfd 100644
--- a/Source/core/testing/LayerRectList.cpp
+++ b/Source/core/testing/LayerRectList.cpp
@@ -56,7 +56,7 @@ LayerRect* LayerRectList::item(unsigned index)
     return m_list[index].get();
 }
 
-void LayerRectList::append(PassRefPtr<Node> layerRootNode, const String& layerType, int layerOffsetX, int layerOffsetY, PassRefPtrWillBeRawPtr<ClientRect> layerRelativeRect)
+void LayerRectList::append(PassRefPtrWillBeRawPtr<Node> layerRootNode, const String& layerType, int layerOffsetX, int layerOffsetY, PassRefPtrWillBeRawPtr<ClientRect> layerRelativeRect)
 {
     m_list.append(LayerRect::create(layerRootNode, layerType, layerOffsetX, layerOffsetY, layerRelativeRect));
 }