Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/svg/SVGAnimatedLength.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 "bindings/core/v8/ScriptWrappable.h"
 #include "core/svg/SVGLengthTearOff.h"
 #include "core/svg/properties/SVGAnimatedProperty.h"
 
 namespace blink {
 
 class SVGAnimatedLength : public SVGAnimatedProperty<SVGLength>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<SVGAnimatedLength> create(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGLength> initialValue)
+    static RawPtr<SVGAnimatedLength> create(SVGElement* contextElement, const QualifiedName& attributeName, RawPtr<SVGLength> initialValue)
     {
-        return adoptRefWillBeNoop(new SVGAnimatedLength(contextElement, attributeName, initialValue));
+        return new SVGAnimatedLength(contextElement, attributeName, initialValue);
     }
 
     void setDefaultValueAsString(const String&);
     SVGParsingError setBaseValueAsString(const String&) override;
 
 protected:
-    SVGAnimatedLength(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGLength> initialValue)
+    SVGAnimatedLength(SVGElement* contextElement, const QualifiedName& attributeName, RawPtr<SVGLength> initialValue)
         : SVGAnimatedProperty<SVGLength>(contextElement, attributeName, initialValue)
     {
     }
 };
 
 } // namespace blink
 
 #endif // SVGAnimatedLength_h