Code cleanup: Removing redundant function calls from loadPendingImage().

Source/core/rendering/RenderImageResource.h

 /*
  * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
  * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
  * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 11 matching lines @@
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef RenderImageResource_h
 #define RenderImageResource_h
 
 #include "core/fetch/ImageResource.h"
 #include "core/fetch/ResourcePtr.h"
 #include "core/rendering/style/StyleImage.h"
-#include "platform/geometry/LayoutSize.h"
-#include "platform/graphics/Image.h"
 
 namespace WebCore {
 
 class RenderObject;
 
 class RenderImageResource {
     WTF_MAKE_NONCOPYABLE(RenderImageResource); WTF_MAKE_FAST_ALLOCATED;
 public:
     virtual ~RenderImageResource();
 
     static PassOwnPtr<RenderImageResource> create()
     {
         return adoptPtr(new RenderImageResource);
     }
 
     virtual void initialize(RenderObject*);
     virtual void shutdown();
 
     void setImageResource(ImageResource*);
     ImageResource* cachedImage() const { return m_cachedImage.get(); }
     virtual bool hasImage() const { return m_cachedImage; }
 
     void resetAnimation();
 
-    virtual PassRefPtr<Image> image(int /* width */ = 0, int /* height */ = 0) const { return m_cachedImage ? m_cachedImage->imageForRenderer(m_renderer) : nullImage(); }
+    virtual PassRefPtr<Image> image(int /* width */ = 0, int /* height */ = 0) const
+    {
+        return m_cachedImage ? m_cachedImage->imageForRenderer(m_renderer) : Image::nullImage();
+    }
     virtual bool errorOccurred() const { return m_cachedImage && m_cachedImage->errorOccurred(); }
 
     virtual void setContainerSizeForRenderer(const IntSize&);
     virtual bool usesImageContainerSize() const { return m_cachedImage ? m_cachedImage->usesImageContainerSize() : false; }
     virtual bool imageHasRelativeWidth() const { return m_cachedImage ? m_cachedImage->imageHasRelativeWidth() : false; }
     virtual bool imageHasRelativeHeight() const { return m_cachedImage ? m_cachedImage->imageHasRelativeHeight() : false; }
 
     virtual LayoutSize imageSize(float multiplier) const { return getImageSize(multiplier, ImageResource::NormalSize); }
     virtual LayoutSize intrinsicSize(float multiplier) const { return getImageSize(multiplier, ImageResource::IntrinsicSize); }
 
     virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); }
 
 protected:
     RenderImageResource();
     RenderObject* m_renderer;
     ResourcePtr<ImageResource> m_cachedImage;
 
 private:
-    static Image* nullImage();
     LayoutSize getImageSize(float multiplier, ImageResource::SizeType) const;
 };
 
 } // namespace WebCore
 
 #endif // RenderImage_h