Reland of Make LayoutImageResource::image() parameter explicit

third_party/WebKit/Source/core/layout/LayoutImageResourceStyleImage.cpp

 /*
  * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
  * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
  * Copyright (C) 2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  *
@@ skipping 43 matching lines @@
     m_styleImage->addClient(m_layoutObject);
 }
 
 void LayoutImageResourceStyleImage::shutdown()
 {
     ASSERT(m_layoutObject);
     m_styleImage->removeClient(m_layoutObject);
     m_cachedImage = 0;
 }
 
-PassRefPtr<Image> LayoutImageResourceStyleImage::image(int width, int height) const
+PassRefPtr<Image> LayoutImageResourceStyleImage::image(const IntSize& size) const
 {
     // Generated content may trigger calls to image() while we're still pending, don't assert but gracefully exit.
     if (m_styleImage->isPendingImage())
         return nullptr;
-    return m_styleImage->image(m_layoutObject, IntSize(width, height));
+    return m_styleImage->image(m_layoutObject, size);
 }
 
 void LayoutImageResourceStyleImage::setContainerSizeForLayoutObject(const IntSize& size)
 {
     ASSERT(m_layoutObject);
     m_styleImage->setContainerSizeForLayoutObject(m_layoutObject, size, m_layoutObject->style()->effectiveZoom());
 }
 
 DEFINE_TRACE(LayoutImageResourceStyleImage)
 {
     visitor->trace(m_styleImage);
     LayoutImageResource::trace(visitor);
 }
 
 } // namespace blink