Remove the SVG paint culling optimization

Source/core/paint/SVGRootPainter.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/SVGRootPainter.h"
 
 #include "core/paint/BoxPainter.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/svg/RenderSVGRoot.h"
@@ skipping 34 matching lines @@
 
     // Apply initial viewport clip.
     if (m_renderSVGRoot.shouldApplyViewportClip())
         childPaintInfo.context->clip(pixelSnappedIntRect(m_renderSVGRoot.overflowClipRect(paintOffset)));
 
     // Convert from container offsets (html renderers) to a relative transform (svg renderers).
     // Transform from our paint container's coordinate system to our local coords.
     IntPoint adjustedPaintOffset = roundedIntPoint(paintOffset);
     childPaintInfo.applyTransform(AffineTransform::translation(adjustedPaintOffset.x(), adjustedPaintOffset.y()) * m_renderSVGRoot.localToBorderBoxTransform());
 
+    // SVG doesn't use paintOffset internally but we need to bake it into the paint rect.
+    childPaintInfo.rect.move(-adjustedPaintOffset.x(), -adjustedPaintOffset.y());
+
     SVGRenderingContext renderingContext;
     if (childPaintInfo.phase == PaintPhaseForeground) {
         renderingContext.prepareToRenderSVGContent(&m_renderSVGRoot, childPaintInfo);
         if (!renderingContext.isRenderingPrepared())
             return;
     }
 
     BoxPainter(m_renderSVGRoot).paint(childPaintInfo, LayoutPoint());
 }
 
 } // namespace blink