Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/dom/ElementRareData.cpp

Index: third_party/WebKit/Source/core/dom/ElementRareData.cpp
diff --git a/third_party/WebKit/Source/core/dom/ElementRareData.cpp b/third_party/WebKit/Source/core/dom/ElementRareData.cpp
index c5c756cf0a1597dd8f40c0823aaabefac1b6e8e4..bd65c9da19905adde8eeabb96e8efd4bd066f52d 100644
--- a/third_party/WebKit/Source/core/dom/ElementRareData.cpp
+++ b/third_party/WebKit/Source/core/dom/ElementRareData.cpp
@@ -39,20 +39,20 @@ struct SameSizeAsElementRareData : NodeRareData {
     LayoutSize sizeForResizing;
     IntSize scrollOffset;
     void* pointers[13];
-    PersistentWillBeMember<void*> persistentMember[2];
+    Member<void*> persistentMember[2];
 };
 
 CSSStyleDeclaration& ElementRareData::ensureInlineCSSStyleDeclaration(Element* ownerElement)
 {
     if (!m_cssomWrapper)
-        m_cssomWrapper = adoptPtrWillBeNoop(new InlineCSSStyleDeclaration(ownerElement));
+        m_cssomWrapper = (new InlineCSSStyleDeclaration(ownerElement));
     return *m_cssomWrapper;
 }
 
 AttrNodeList& ElementRareData::ensureAttrNodeList()
 {
     if (!m_attrNodeList)
-        m_attrNodeList = adoptPtrWillBeNoop(new AttrNodeList);
+        m_attrNodeList = (new AttrNodeList);
     return *m_attrNodeList;
 }