Use transform paint property nodes in SVG [spv2]

third_party/WebKit/Source/core/paint/SVGRootPainter.cpp

Index: third_party/WebKit/Source/core/paint/SVGRootPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/SVGRootPainter.cpp b/third_party/WebKit/Source/core/paint/SVGRootPainter.cpp
index 28894f16e3505803a1ab13fd3bc8a54f21c8d190..4aa5f909c170fc9763447d61f1d03777b4a11a9b 100644
--- a/third_party/WebKit/Source/core/paint/SVGRootPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/SVGRootPainter.cpp
@@ -14,7 +14,6 @@
 #include "core/paint/TransformRecorder.h"
 #include "core/svg/SVGSVGElement.h"
 #include "platform/graphics/paint/ClipRecorder.h"
-#include "platform/graphics/paint/ScopedPaintChunkProperties.h"
 #include "wtf/Optional.h"
 
 namespace blink {
@@ -45,19 +44,6 @@ void SVGRootPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintO
 
     PaintInfo paintInfoBeforeFiltering(paintInfo);
 
-    Optional<ScopedPaintChunkProperties> propertyScope;
-    if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
-        const auto* objectProperties = m_layoutSVGRoot.objectPaintProperties();
-        // If a transform exists, we can rely on a layer existing to apply it.
-        DCHECK(!objectProperties || !objectProperties->transform() || m_layoutSVGRoot.hasLayer());
-        if (objectProperties && objectProperties->svgLocalToBorderBoxTransform()) {
-            auto& paintController = paintInfoBeforeFiltering.context.getPaintController();
-            PaintChunkProperties properties(paintController.currentPaintChunkProperties());
-            properties.transform = objectProperties->svgLocalToBorderBoxTransform();
-            propertyScope.emplace(paintController, properties);
-        }
-    }
-
     // Apply initial viewport clip.
     Optional<ClipRecorder> clipRecorder;
     if (m_layoutSVGRoot.shouldApplyViewportClip()) {
@@ -76,7 +62,7 @@ void SVGRootPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintO
     paintOffsetToBorderBox.multiply(m_layoutSVGRoot.localToBorderBoxTransform());

[trchen, 2016/06/13 23:26:52]

PaintPropertyTreeBuilder::updateSvgLocalToBorderBoxTransform should match this.

 
     paintInfoBeforeFiltering.updateCullRect(paintOffsetToBorderBox);
-    TransformRecorder transformRecorder(paintInfoBeforeFiltering.context, m_layoutSVGRoot, paintOffsetToBorderBox);
+    SVGTransformContext transformContext(paintInfoBeforeFiltering.context, m_layoutSVGRoot, paintOffsetToBorderBox);
 
     SVGPaintContext paintContext(m_layoutSVGRoot, paintInfoBeforeFiltering);
     if (paintContext.paintInfo().phase == PaintPhaseForeground && !paintContext.applyClipMaskAndFilterIfNecessary())