Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/svg/SVGAnimateElement.h

Index: third_party/WebKit/Source/core/svg/SVGAnimateElement.h
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimateElement.h b/third_party/WebKit/Source/core/svg/SVGAnimateElement.h
index 296b6edad045abbeaa5d1e16fa2bf09b6694bed9..97ccfa1ca8fe55d7bff32576d52d286119a0a868 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimateElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGAnimateElement.h
@@ -38,7 +38,7 @@ class SVGAnimatedTypeAnimator;
 class CORE_EXPORT SVGAnimateElement : public SVGAnimationElement {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<SVGAnimateElement> create(Document&);
+    static RawPtr<SVGAnimateElement> create(Document&);
     ~SVGAnimateElement() override;
 
     DECLARE_VIRTUAL_TRACE();
@@ -74,10 +74,10 @@ private:
 
     bool hasValidAttributeType() override;
 
-    RefPtrWillBeMember<SVGPropertyBase> m_fromProperty;
-    RefPtrWillBeMember<SVGPropertyBase> m_toProperty;
-    RefPtrWillBeMember<SVGPropertyBase> m_toAtEndOfDurationProperty;
-    RefPtrWillBeMember<SVGPropertyBase> m_animatedProperty;
+    Member<SVGPropertyBase> m_fromProperty;
+    Member<SVGPropertyBase> m_toProperty;
+    Member<SVGPropertyBase> m_toAtEndOfDurationProperty;
+    Member<SVGPropertyBase> m_animatedProperty;
 
     SVGAnimatedTypeAnimator m_animator;
 };