Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h

Index: third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h
diff --git a/third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h b/third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h
index 07e202148afc7c42879c568ec927a3fd329d857f..135443ea21e1f55bd31f68c5b463248a1c8a29d6 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h
+++ b/third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h
@@ -80,7 +80,7 @@ public:
     static void removeFilterInfoForLayer(PaintLayer*);
 
     FilterEffectBuilder* builder() const { return m_builder.get(); }
-    void setBuilder(PassRefPtrWillBeRawPtr<FilterEffectBuilder>);
+    void setBuilder(RawPtr<FilterEffectBuilder>);
 
     void updateReferenceFilterClients(const FilterOperations&);
     void notifyFinished(Resource*) override;
@@ -93,17 +93,17 @@ private:
 
     PaintLayer* m_layer;
 
-    RefPtrWillBePersistent<FilterEffectBuilder> m_builder;
+    Persistent<FilterEffectBuilder> m_builder;
 
     static PaintLayerFilterInfoMap* s_filterMap;
 
     // This field stores SVG reference filters (filter: url(#someElement)).
     // It is used when SVG filters are applied to an HTML element via CSS.
-    WillBePersistentHeapVector<RefPtrWillBeMember<Element>> m_internalSVGReferences;
+    PersistentHeapVector<Member<Element>> m_internalSVGReferences;
 
     // Same as m_internalSVGReferences, except that the reference belongs to a
     // different document.
-    WillBePersistentHeapVector<RefPtrWillBeMember<DocumentResource>> m_externalSVGReferences;
+    PersistentHeapVector<Member<DocumentResource>> m_externalSVGReferences;
 };
 
 } // namespace blink