Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/html/ClassList.h

Index: third_party/WebKit/Source/core/html/ClassList.h
diff --git a/third_party/WebKit/Source/core/html/ClassList.h b/third_party/WebKit/Source/core/html/ClassList.h
index 3227520e916b532424f409138b274e94653c1560..f61b4b57b5d015f6665f7093da86282af8108116 100644
--- a/third_party/WebKit/Source/core/html/ClassList.h
+++ b/third_party/WebKit/Source/core/html/ClassList.h
@@ -40,9 +40,9 @@ typedef int ExceptionCode;
 
 class ClassList final : public DOMTokenList {
 public:
-    static PassOwnPtrWillBeRawPtr<ClassList> create(Element* element)
+    static RawPtr<ClassList> create(Element* element)
     {
-        return adoptPtrWillBeNoop(new ClassList(element));
+        return (new ClassList(element));
     }
 
 #if !ENABLE(OILPAN)
@@ -69,7 +69,7 @@ private:
     const AtomicString& value() const override { return m_element->getAttribute(HTMLNames::classAttr); }
     void setValue(const AtomicString& value) override { m_element->setAttribute(HTMLNames::classAttr, value); }
 
-    RawPtrWillBeMember<Element> m_element;
+    Member<Element> m_element;
     mutable OwnPtr<SpaceSplitString> m_classNamesForQuirksMode;
 };