Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/dom/custom/CustomElementRegistrationContext.h

Index: third_party/WebKit/Source/core/dom/custom/CustomElementRegistrationContext.h
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElementRegistrationContext.h b/third_party/WebKit/Source/core/dom/custom/CustomElementRegistrationContext.h
index c4489971b0e395e82239a1f41da8dcf795277fd9..04334f0654ed997b18c8e2654bd8d9bdd82fe55d 100644
--- a/third_party/WebKit/Source/core/dom/custom/CustomElementRegistrationContext.h
+++ b/third_party/WebKit/Source/core/dom/custom/CustomElementRegistrationContext.h
@@ -43,11 +43,11 @@
 
 namespace blink {
 
-class CustomElementRegistrationContext final : public RefCountedWillBeGarbageCollectedFinalized<CustomElementRegistrationContext> {
+class CustomElementRegistrationContext final : public GarbageCollectedFinalized<CustomElementRegistrationContext> {
 public:
-    static PassRefPtrWillBeRawPtr<CustomElementRegistrationContext> create()
+    static RawPtr<CustomElementRegistrationContext> create()
     {
-        return adoptRefWillBeNoop(new CustomElementRegistrationContext());
+        return new CustomElementRegistrationContext();
     }
 
     ~CustomElementRegistrationContext() { }
@@ -56,7 +56,7 @@ public:
     // Definitions
     void registerElement(Document*, CustomElementConstructorBuilder*, const AtomicString& type, CustomElement::NameSet validNames, ExceptionState&);
 
-    PassRefPtrWillBeRawPtr<Element> createCustomTagElement(Document&, const QualifiedName&);
+    RawPtr<Element> createCustomTagElement(Document&, const QualifiedName&);
     static void setIsAttributeAndTypeExtension(Element*, const AtomicString& type);
     static void setTypeExtension(Element*, const AtomicString& type);
 
@@ -76,7 +76,7 @@ private:
     CustomElementRegistry m_registry;
 
     // Element creation
-    OwnPtrWillBeMember<CustomElementUpgradeCandidateMap> m_candidates;
+    Member<CustomElementUpgradeCandidateMap> m_candidates;
 };
 
 } // namespace blink