Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/layout/LayoutImage.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * 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
@@ skipping 36 matching lines @@
 public:
     // These are the paddings to use when displaying either alt text or an image.
     static const unsigned short paddingWidth = 4;
     static const unsigned short paddingHeight = 4;
 
     LayoutImage(Element*);
     ~LayoutImage() override;
 
     static LayoutImage* createAnonymous(Document*);
 
-    void setImageResource(PassOwnPtrWillBeRawPtr<LayoutImageResource>);
+    void setImageResource(RawPtr<LayoutImageResource>);
 
     LayoutImageResource* imageResource() { return m_imageResource.get(); }
     const LayoutImageResource* imageResource() const { return m_imageResource.get(); }
     ImageResource* cachedImage() const { return m_imageResource ? m_imageResource->cachedImage() : 0; }
 
     HTMLMapElement* imageMap() const;
     void areaElementFocusChanged(HTMLAreaElement*);
 
     void setIsGeneratedContent(bool generated = true) { m_isGeneratedContent = generated; }
 
@@ skipping 47 matching lines @@
 
     // This member wraps the associated decoded image.
     //
     // This field is set using setImageResource above which can be called in
     // several ways:
     // * For normal images, from the network stack (ImageLoader) once we have
     // some image data.
     // * For generated content, the resource is loaded during style resolution
     // and thus is stored in ComputedStyle (see ContentData::image) that gets
     // propagated to the anonymous LayoutImage in LayoutObject::createObject.
-    OwnPtrWillBePersistent<LayoutImageResource> m_imageResource;
+    Persistent<LayoutImageResource> m_imageResource;
     bool m_didIncrementVisuallyNonEmptyPixelCount;
 
     // This field stores whether this image is generated with 'content'.
     bool m_isGeneratedContent;
     float m_imageDevicePixelRatio;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutImage, isLayoutImage());
 
 } // namespace blink
 
 #endif // LayoutImage_h