Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/dom/PseudoElement.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 17 matching lines @@
 #define PseudoElement_h
 
 #include "core/CoreExport.h"
 #include "core/dom/Element.h"
 #include "core/style/ComputedStyle.h"
 
 namespace blink {
 
 class CORE_EXPORT PseudoElement : public Element {
 public:
-    static PassRefPtrWillBeRawPtr<PseudoElement> create(Element* parent, PseudoId);
+    static RawPtr<PseudoElement> create(Element* parent, PseudoId);
 
     PassRefPtr<ComputedStyle> customStyleForLayoutObject() override;
     void attach(const AttachContext& = AttachContext()) override;
     bool layoutObjectIsNeeded(const ComputedStyle&) override;
 
     bool canStartSelection() const override { return false; }
     bool canContainRangeEndPoint() const override { return false; }
     PseudoId getPseudoId() const override { return m_pseudoId; }
 
     static String pseudoElementNameForEvents(PseudoId);
@@ skipping 22 matching lines @@
     if (style->styleType() == PseudoIdFirstLetter || style->styleType() == PseudoIdBackdrop)
         return true;
     return style->contentData();
 }
 
 DEFINE_ELEMENT_TYPE_CASTS(PseudoElement, isPseudoElement());
 
 } // namespace blink
 
 #endif