Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/svg/SVGAnimatedPath.h

 /*
  * Copyright (C) 2014 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "core/svg/SVGPath.h"
 #include "core/svg/properties/SVGAnimatedProperty.h"
 
 namespace blink {
 
 class SVGAnimatedPath : public SVGAnimatedProperty<SVGPath> {
 public:
     ~SVGAnimatedPath() override;
 
-    static PassRefPtrWillBeRawPtr<SVGAnimatedPath> create(SVGElement* contextElement, const QualifiedName& attributeName)
+    static RawPtr<SVGAnimatedPath> create(SVGElement* contextElement, const QualifiedName& attributeName)
     {
-        return adoptRefWillBeNoop(new SVGAnimatedPath(contextElement, attributeName));
+        return new SVGAnimatedPath(contextElement, attributeName);
     }
 
 protected:
     SVGAnimatedPath(SVGElement*, const QualifiedName&);
 };
 
 } // namespace blink
 
 #endif // SVGAnimatedPath_h