Make Resource RefCountedWillBeGarbageCollectedFinalized, attempt #2

third_party/WebKit/Source/core/svg/SVGFEImageElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGFEImageElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGFEImageElement.cpp b/third_party/WebKit/Source/core/svg/SVGFEImageElement.cpp
index 79a884b17d4d258886efd6adc56e3c3d55b26bc7..8c33782422a948dc04babb1e9b5aae78e009227f 100644
--- a/third_party/WebKit/Source/core/svg/SVGFEImageElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGFEImageElement.cpp
@@ -46,7 +46,7 @@ SVGFEImageElement::~SVGFEImageElement()
 #if ENABLE(OILPAN)
     if (m_cachedImage) {
         m_cachedImage->removeClient(this);
-        m_cachedImage = 0;
+        m_cachedImage = nullptr;
     }
 #else
     clearResourceReferences();
@@ -56,6 +56,7 @@ SVGFEImageElement::~SVGFEImageElement()
 DEFINE_TRACE(SVGFEImageElement)
 {
     visitor->trace(m_preserveAspectRatio);
+    visitor->trace(m_cachedImage);
     SVGFilterPrimitiveStandardAttributes::trace(visitor);
     SVGURIReference::trace(visitor);
 }
@@ -72,7 +73,7 @@ void SVGFEImageElement::clearResourceReferences()
 {
     if (m_cachedImage) {
         m_cachedImage->removeClient(this);
-        m_cachedImage = 0;
+        m_cachedImage = nullptr;
     }
 
     removeAllOutgoingReferences();