Oilpan: move SVG property hierarchy to the heap.

Source/core/rendering/RenderLayerFilterInfo.cpp

Index: Source/core/rendering/RenderLayerFilterInfo.cpp
diff --git a/Source/core/rendering/RenderLayerFilterInfo.cpp b/Source/core/rendering/RenderLayerFilterInfo.cpp
index 93739e2edc6ca981a3d7524c83aaadce58a7f749..93bf67d5d8a319565bb8a00dea0b3e35c667ea13 100644
--- a/Source/core/rendering/RenderLayerFilterInfo.cpp
+++ b/Source/core/rendering/RenderLayerFilterInfo.cpp
@@ -96,7 +96,7 @@ RenderLayerFilterInfo::~RenderLayerFilterInfo()
     removeReferenceFilterClients();
 }
 
-void RenderLayerFilterInfo::setRenderer(PassRefPtr<FilterEffectRenderer> renderer)
+void RenderLayerFilterInfo::setRenderer(PassRefPtrWillBeRawPtr<FilterEffectRenderer> renderer)
 {
     m_renderer = renderer;
 }
@@ -116,7 +116,7 @@ void RenderLayerFilterInfo::updateReferenceFilterClients(const FilterOperations&
 {
     removeReferenceFilterClients();
     for (size_t i = 0; i < operations.size(); ++i) {
-        RefPtr<FilterOperation> filterOperation = operations.operations().at(i);
+        RefPtrWillBeRawPtr<FilterOperation> filterOperation = operations.operations().at(i);
         if (filterOperation->type() != FilterOperation::REFERENCE)
             continue;
         ReferenceFilterOperation* referenceFilterOperation = toReferenceFilterOperation(filterOperation.get());