NOT FOR LANDING Experiment with allocating SVGImageForContainer on demand

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 14 matching lines @@
 
 #include "config.h"
 #include "core/style/StyleFetchedImageSet.h"
 
 #include "core/css/CSSImageSetValue.h"
 #include "core/fetch/ImageResource.h"
 #include "core/layout/LayoutObject.h"
 
 namespace blink {
 
-StyleFetchedImageSet::StyleFetchedImageSet(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value)
+StyleFetchedImageSet::StyleFetchedImageSet(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value, const KURL& urlWithFragment)
     : m_bestFitImage(image)
     , m_imageScaleFactor(imageScaleFactor)
     , m_imageSetValue(value)
+    , m_urlWithFragment(urlWithFragment)
 {
     m_isImageResourceSet = true;
     m_bestFitImage->addClient(this);
 }
 
 
 StyleFetchedImageSet::~StyleFetchedImageSet()
 {
     m_bestFitImage->removeClient(this);
 }
@@ skipping 38 matching lines @@
 void StyleFetchedImageSet::computeIntrinsicDimensions(const LayoutObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
 {
     m_bestFitImage->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio);
 }
 
 bool StyleFetchedImageSet::usesImageContainerSize() const
 {
     return m_bestFitImage->usesImageContainerSize();
 }
 
-void StyleFetchedImageSet::setContainerSizeForLayoutObject(const LayoutObject* layoutObject, const IntSize& imageContainerSize, float imageContainerZoomFactor)
-{
-    m_bestFitImage->setContainerSizeForLayoutObject(layoutObject, imageContainerSize, imageContainerZoomFactor);
-}
-
 void StyleFetchedImageSet::addClient(LayoutObject* layoutObject)
 {
     m_bestFitImage->addClient(layoutObject);
 }
 
 void StyleFetchedImageSet::removeClient(LayoutObject* layoutObject)
 {
     m_bestFitImage->removeClient(layoutObject);
 }
 
 PassRefPtr<Image> StyleFetchedImageSet::image(LayoutObject* layoutObject, const IntSize&) const
 {
     return m_bestFitImage->imageForLayoutObject(layoutObject);
 }
 
 bool StyleFetchedImageSet::knownToBeOpaque(const LayoutObject* layoutObject) const
 {
     return m_bestFitImage->currentFrameKnownToBeOpaque(layoutObject);
 }
 
 DEFINE_TRACE(StyleFetchedImageSet)
 {
     visitor->trace(m_imageSetValue);
     StyleImage::trace(visitor);
 }
 
 } // namespace blink