NOT FOR LANDING Experiment with allocating SVGImageForContainer on demand

Source/core/paint/BoxPainter.cpp

 // Copyright 2014 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/BoxPainter.h"
 
 #include "core/HTMLNames.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/layout/ImageQualityController.h"
 #include "core/layout/LayoutBox.h"
 #include "core/layout/LayoutBoxModelObject.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutTable.h"
 #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"
 #include "core/paint/DeprecatedPaintLayer.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/NinePieceImagePainter.h"
 #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"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "platform/graphics/paint/CompositingDisplayItem.h"
 #include "wtf/Optional.h"
 
 namespace blink {
 
 void BoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
@@ skipping 423 matching lines @@
             SkXfermode::Mode bgOp = WebCoreCompositeToSkiaComposite(bgLayer.composite(), bgLayer.blendMode());
             // if op != SkXfermode::kSrcOver_Mode, a mask is being painted.
             SkXfermode::Mode compositeOp = op == SkXfermode::kSrcOver_Mode ? bgOp : op;
             LayoutObject* clientForBackgroundImage = backgroundObject ? backgroundObject : &obj;
             RefPtr<Image> image = bgImage->image(clientForBackgroundImage, geometry.tileSize());
             InterpolationQuality interpolationQuality = chooseInterpolationQuality(*clientForBackgroundImage, context, image.get(), &bgLayer, LayoutSize(geometry.tileSize()));
             if (bgLayer.maskSourceType() == MaskLuminance)
                 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());
             context->setImageInterpolationQuality(previousInterpolationQuality);
         }
     }
 
     if (bgLayer.clip() == TextFillBox) {
         // Create the text mask layer.
         context->beginLayer(1, SkXfermode::kDstIn_Mode);
@@ skipping 260 matching lines @@
     }
 }
 
 bool BoxPainter::shouldForceWhiteBackgroundForPrintEconomy(const ComputedStyle& style, const Document& document)
 {
     return document.printing() && style.printColorAdjust() == PrintColorAdjustEconomy
         && (!document.settings() || !document.settings()->shouldPrintBackgrounds());
 }
 
 } // namespace blink