NOT FOR LANDING Experiment with allocating SVGImageForContainer on demand

Source/core/paint/NinePieceImagePainter.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/paint/NinePieceImagePainter.h"
 
 #include "core/layout/ImageQualityController.h"
 #include "core/layout/LayoutBoxModelObject.h"
 #include "core/paint/BoxPainter.h"
@@ skipping 26 matching lines @@
 
     // FIXME: border-image is broken with full page zooming when tiling has to happen, since the tiling function
     // doesn't have any understanding of the zoom that is in effect on the tile.
     LayoutRect rectWithOutsets = rect;
     rectWithOutsets.expand(style.imageOutsets(ninePieceImage));
     IntRect borderImageRect = pixelSnappedIntRect(rectWithOutsets);
 
     IntSize imageSize = m_layoutObject.calculateImageIntrinsicDimensions(styleImage, borderImageRect.size(),
         LayoutBoxModelObject::DoNotScaleByEffectiveZoom);
 
-    // If both values are 'auto' then the intrinsic width and/or height of the image should be used, if any.
-    styleImage->setContainerSizeForLayoutObject(&m_layoutObject, imageSize, style.effectiveZoom());
-
     IntRectOutsets borderWidths(style.borderTopWidth(), style.borderRightWidth(),
         style.borderBottomWidth(), style.borderLeftWidth());
     NinePieceImageGrid grid(ninePieceImage, imageSize, borderImageRect, borderWidths);
 
     RefPtr<Image> image = styleImage->image(&m_layoutObject, imageSize);
 
     InterpolationQuality interpolationQuality = BoxPainter::chooseInterpolationQuality(m_layoutObject,
         graphicsContext, image.get(), 0, rectWithOutsets.size());
     InterpolationQuality previousInterpolationQuality = graphicsContext->imageInterpolationQuality();
     graphicsContext->setImageInterpolationQuality(interpolationQuality);
@@ skipping 13 matching lines @@
                     drawInfo.tileRule.vertical, op);
             }
         }
     }
 
     graphicsContext->setImageInterpolationQuality(previousInterpolationQuality);
     return true;
 }
 
 } // namespace blink