Don't paint selections in <mask>s, <clipPath>s and <pattern>s

third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceClipper.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  * Copyright (C) 2011 Dirk Schulze <krit@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 206 matching lines @@
 
   SkPictureBuilder pictureBuilder(bounds, nullptr, nullptr);
   // Switch to a paint behavior where all children of this <clipPath> will be
   // laid out using special constraints:
   // - fill-opacity/stroke-opacity/opacity set to 1
   // - masker/filter not applied when laying out the children
   // - fill is set to the initial fill paint server (solid, black)
   // - stroke is set to the initial stroke paint server (none)
   PaintInfo info(pictureBuilder.context(), LayoutRect::infiniteIntRect(),
                  PaintPhaseForeground, GlobalPaintNormalPhase,
-                 PaintLayerPaintingRenderingClipPathAsMask);
+                 PaintLayerPaintingRenderingClipPathAsMask |
+                     PaintLayerPaintingRenderingResourceSubtree);
 
   for (const SVGElement& childElement :
        Traversal<SVGElement>::childrenOf(*element())) {
     if (!contributesToClip(childElement))
       continue;
     // Use the LayoutObject of the direct child even if it is a <use>. In that
     // case, we will paint the targeted element indirectly.
     const LayoutObject* layoutObject = childElement.layoutObject();
     layoutObject->paint(info, IntPoint());
   }
@@ skipping 64 matching lines @@
       toSVGClipPathElement(element())->calculateTransform(
           SVGElement::IncludeMotionTransform);
   if (clipPathUnits() == SVGUnitTypes::kSvgUnitTypeObjectboundingbox) {
     transform.translate(referenceBox.x(), referenceBox.y());
     transform.scaleNonUniform(referenceBox.width(), referenceBox.height());
   }
   return transform.mapRect(m_localClipBounds);
 }
 
 }  // namespace blink