NOT FOR LANDING Experiment with allocating SVGImageForContainer on demand

Source/core/paint/BoxPainter.cpp

Index: Source/core/paint/BoxPainter.cpp
diff --git a/Source/core/paint/BoxPainter.cpp b/Source/core/paint/BoxPainter.cpp
index 7f71256b4e99ebec735cec840f673ca1f3e08091..5ac03678c475df358dd8c02afdb9772265436461 100644
--- a/Source/core/paint/BoxPainter.cpp
+++ b/Source/core/paint/BoxPainter.cpp
@@ -16,8 +16,6 @@
 #include "core/layout/LayoutTheme.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/CompositedDeprecatedPaintLayerMapping.h"
-#include "core/style/BorderEdge.h"
-#include "core/style/ShadowList.h"
 #include "core/paint/BackgroundImageGeometry.h"
 #include "core/paint/BoxBorderPainter.h"
 #include "core/paint/BoxDecorationData.h"
@@ -27,6 +25,9 @@
 #include "core/paint/PaintInfo.h"
 #include "core/paint/RoundedInnerRectClipper.h"
 #include "core/paint/ThemePainter.h"
+#include "core/style/BorderEdge.h"
+#include "core/style/ShadowList.h"
+#include "core/svg/graphics/SVGImageForContainer.h"
 #include "platform/LengthFunctions.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/geometry/LayoutRectOutsets.h"
@@ -470,6 +471,10 @@ void BoxPainter::paintFillLayerExtended(LayoutBoxModelObject& obj, const PaintIn
                 context->setColorFilter(ColorFilterLuminanceToAlpha);
             InterpolationQuality previousInterpolationQuality = context->imageInterpolationQuality();
             context->setImageInterpolationQuality(interpolationQuality);
+
+            if (image->isSVGImage())
+                image = SVGImageForContainer::create(toSVGImage(image.get()), geometry.tileSize(), obj.style()->effectiveZoom(), bgImage->url());
+
             TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage", "data", InspectorPaintImageEvent::data(obj, *bgImage));
             context->drawTiledImage(image.get(), geometry.destRect(), geometry.phase(), geometry.tileSize(),
                 compositeOp, geometry.spaceSize());