Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/svg/SVGFEImageElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2010 Dirk Schulze <krit@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 138 matching lines @@
         return;
 
     Element* parent = parentElement();
     if (!parent || !isSVGFilterElement(parent) || !parent->layoutObject())
         return;
 
     if (LayoutObject* layoutObject = this->layoutObject())
         markForLayoutAndParentResourceInvalidation(layoutObject);
 }
 
-PassRefPtrWillBeRawPtr<FilterEffect> SVGFEImageElement::build(SVGFilterBuilder*, Filter* filter)
+RawPtr<FilterEffect> SVGFEImageElement::build(SVGFilterBuilder*, Filter* filter)
 {
     if (m_cachedImage) {
         // Don't use the broken image icon on image loading errors.
         RefPtr<Image> image = m_cachedImage->errorOccurred() ?
             nullptr : m_cachedImage->getImage();
         return FEImage::createWithImage(filter, image, m_preserveAspectRatio->currentValue());
     }
 
     return FEImage::createWithIRIReference(filter, treeScope(), hrefString(), m_preserveAspectRatio->currentValue());
 }
 
 } // namespace blink