Split ImageResourceClient into ResourceClient and ImageResourceObserver [1/2]

third_party/WebKit/Source/core/style/StyleFetchedImageSet.cpp

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 102 matching lines @@
     return m_bestFitImage->imageHasRelativeSize();
 }
 
 bool StyleFetchedImageSet::usesImageContainerSize() const
 {
     return m_bestFitImage->usesImageContainerSize();
 }
 
 void StyleFetchedImageSet::addClient(LayoutObject* layoutObject)
 {
-    m_bestFitImage->addClient(layoutObject);
+    m_bestFitImage->addObserver(layoutObject);
 }
 
 void StyleFetchedImageSet::removeClient(LayoutObject* layoutObject)
 {
-    m_bestFitImage->removeClient(layoutObject);
+    m_bestFitImage->removeObserver(layoutObject);
 }
 
 PassRefPtr<Image> StyleFetchedImageSet::image(const LayoutObject&, const IntSize& containerSize, float zoom) const
 {
     if (!m_bestFitImage->getImage()->isSVGImage())
         return m_bestFitImage->getImage();
 
     return SVGImageForContainer::create(toSVGImage(m_bestFitImage->getImage()), containerSize, zoom, m_url);
 }
 
 bool StyleFetchedImageSet::knownToBeOpaque(const LayoutObject& layoutObject) const
 {
     TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage", "data", InspectorPaintImageEvent::data(&layoutObject, *m_bestFitImage.get()));
     return m_bestFitImage->getImage()->currentFrameKnownToBeOpaque(Image::PreCacheMetadata);
 }
 
 DEFINE_TRACE(StyleFetchedImageSet)
 {
     visitor->trace(m_bestFitImage);
     visitor->trace(m_imageSetValue);
     StyleImage::trace(visitor);
 }
 
 } // namespace blink