NOT FOR LANDING Experiment with allocating SVGImageForContainer on demand

Source/core/style/StyleImage.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 42 matching lines @@
     virtual PassRefPtrWillBeRawPtr<CSSValue> cssValue() const = 0;
 
     virtual bool canRender(const LayoutObject&, float /*multiplier*/) const { return true; }
     virtual bool isLoaded() const { return true; }
     virtual bool errorOccurred() const { return false; }
     virtual LayoutSize imageSize(const LayoutObject*, float multiplier) const = 0;
     virtual void computeIntrinsicDimensions(const LayoutObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) = 0;
     virtual bool imageHasRelativeWidth() const = 0;
     virtual bool imageHasRelativeHeight() const = 0;
     virtual bool usesImageContainerSize() const = 0;
-    virtual void setContainerSizeForLayoutObject(const LayoutObject*, const IntSize&, float) = 0;
     virtual void addClient(LayoutObject*) = 0;
     virtual void removeClient(LayoutObject*) = 0;
     virtual PassRefPtr<Image> image(LayoutObject*, const IntSize&) const = 0;
     virtual WrappedImagePtr data() const = 0;
     virtual float imageScaleFactor() const { return 1; }
     virtual bool knownToBeOpaque(const LayoutObject*) const = 0;
     virtual ImageResource* cachedImage() const { return 0; }
+    virtual KURL url() const = 0;
 
     ALWAYS_INLINE bool isImageResource() const { return m_isImageResource; }
     ALWAYS_INLINE bool isPendingImage() const { return m_isPendingImage; }
     ALWAYS_INLINE bool isGeneratedImage() const { return m_isGeneratedImage; }
     ALWAYS_INLINE bool isImageResourceSet() const { return m_isImageResourceSet; }
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 
 protected:
     StyleImage()
         : m_isImageResource(false)
         , m_isPendingImage(false)
         , m_isGeneratedImage(false)
         , m_isImageResourceSet(false)
     {
     }
     bool m_isImageResource:1;
     bool m_isPendingImage:1;
     bool m_isGeneratedImage:1;
     bool m_isImageResourceSet:1;
 };
 
 #define DEFINE_STYLE_IMAGE_TYPE_CASTS(thisType, function) \
     DEFINE_TYPE_CASTS(thisType, StyleImage, styleImage, styleImage->function, styleImage.function); \
     inline thisType* to##thisType(const RefPtrWillBeMember<StyleImage>& styleImage) { return to##thisType(styleImage.get()); } \
     typedef int NeedsSemiColonAfterDefineStyleImageTypeCasts
 
 }
 #endif