Add support for <basic-shape> to 'clip-path' on SVG elements

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 48 matching lines @@
     ASSERT(client);
     markClientForInvalidation(client, markForInvalidation ? BoundariesInvalidation : ParentOnlyInvalidation);
 }
 
 bool LayoutSVGResourceClipper::calculateClipContentPathIfNeeded()
 {
     if (!m_clipContentPath.isEmpty())
         return true;
 
     // If the current clip-path gets clipped itself, we have to fallback to masking.
-    if (style()->svgStyle().hasClipper())
+    if (style()->svgStyle().clipPath())
         return false;
 
     unsigned opCount = 0;
     bool usingBuilder = false;
     SkOpBuilder clipPathBuilder;
 
     for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
         LayoutObject* childLayoutObject = childElement->layoutObject();
         if (!childLayoutObject)
             continue;
         // Only shapes or paths are supported for direct clipping. We need to fallback to masking for texts.
         if (childLayoutObject->isSVGText()) {
             m_clipContentPath.clear();
             return false;
         }
         if (!childElement->isSVGGraphicsElement())
             continue;
 
         const ComputedStyle* style = childLayoutObject->style();
         if (!style || style->display() == NONE || (style->visibility() != EVisibility::Visible && !isSVGUseElement(*childElement)))
             continue;
 
         // Current shape in clip-path gets clipped too. Fallback to masking.
-        if (style->svgStyle().hasClipper()) {
+        if (style->svgStyle().clipPath()) {
             m_clipContentPath.clear();
             return false;
         }
 
         // First clip shape.
         if (m_clipContentPath.isEmpty()) {
             if (isSVGGeometryElement(childElement))
                 toSVGGeometryElement(childElement)->toClipPath(m_clipContentPath);
             else if (isSVGUseElement(childElement))
                 toSVGUseElement(childElement)->toClipPath(m_clipContentPath);
@@ skipping 171 matching lines @@
 
     AffineTransform transform = toSVGClipPathElement(element())->calculateAnimatedLocalTransform();
     if (clipPathUnits() == SVGUnitTypes::kSvgUnitTypeObjectboundingbox) {
         transform.translate(referenceBox.x(), referenceBox.y());
         transform.scaleNonUniform(referenceBox.width(), referenceBox.height());
     }
     return transform.mapRect(m_localClipBounds);
 }
 
 } // namespace blink