Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/html/DocumentNameCollection.h
diff --git a/third_party/WebKit/Source/core/html/DocumentNameCollection.h b/third_party/WebKit/Source/core/html/DocumentNameCollection.h
index 43b3f7e7ab7c508cbe553043b2588d072367328d..7d9b7a055f328fe1e6065796c90fd009ca6b43f4 100644
--- a/third_party/WebKit/Source/core/html/DocumentNameCollection.h
+++ b/third_party/WebKit/Source/core/html/DocumentNameCollection.h
@@ -12,10 +12,10 @@ namespace blink {
 
 class DocumentNameCollection final : public HTMLNameCollection {
 public:
-    static PassRefPtrWillBeRawPtr<DocumentNameCollection> create(ContainerNode& document, CollectionType type, const AtomicString& name)
+    static RawPtr<DocumentNameCollection> create(ContainerNode& document, CollectionType type, const AtomicString& name)
     {
         ASSERT_UNUSED(type, type == DocumentNamedItems);
-        return adoptRefWillBeNoop(new DocumentNameCollection(document, name));
+        return (new DocumentNameCollection(document, name));
     }
 
     HTMLElement* item(unsigned offset) const { return toHTMLElement(HTMLNameCollection::item(offset)); }