Reland of Make LayoutImageResource::image() parameter explicit

third_party/WebKit/Source/core/layout/LayoutImageResourceStyleImage.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 28 matching lines @@
     ~LayoutImageResourceStyleImage() override;
 
     static PassOwnPtrWillBeRawPtr<LayoutImageResource> create(StyleImage* styleImage)
     {
         return adoptPtrWillBeNoop(new LayoutImageResourceStyleImage(styleImage));
     }
     void initialize(LayoutObject*) override;
     void shutdown() override;
 
     bool hasImage() const override { return true; }
-    PassRefPtr<Image> image(int width = 0, int height = 0) const override;
+    PassRefPtr<Image> image(const IntSize&) const override;
     bool errorOccurred() const override { return m_styleImage->errorOccurred(); }
 
     void setContainerSizeForLayoutObject(const IntSize&) override;
     bool imageHasRelativeWidth() const override { return m_styleImage->imageHasRelativeWidth(); }
     bool imageHasRelativeHeight() const override { return m_styleImage->imageHasRelativeHeight(); }
 
     LayoutSize imageSize(float multiplier) const override { return m_styleImage->imageSize(m_layoutObject, multiplier); }
     LayoutSize intrinsicSize(float multiplier) const override { return m_styleImage->imageSize(m_layoutObject, multiplier); }
 
     WrappedImagePtr imagePtr() const override { return m_styleImage->data(); }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit LayoutImageResourceStyleImage(StyleImage*);
     RefPtrWillBeMember<StyleImage> m_styleImage;
 };
 
 } // namespace blink
 
 #endif // LayoutImageStyleImage_h