Unprefix -webkit-clip-path

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

 // Copyright 2016 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 "core/paint/ClipPathClipper.h"
 
 #include "core/layout/svg/LayoutSVGResourceClipper.h"
 #include "core/layout/svg/SVGResources.h"
 #include "core/layout/svg/SVGResourcesCache.h"
 #include "core/paint/SVGClipPainter.h"
 #include "core/style/ClipPathOperation.h"
 #include "platform/graphics/paint/ClipPathRecorder.h"
 
 namespace blink {
 
 namespace {
 
 LayoutSVGResourceClipper* resolveElementReference(
     const LayoutObject& layoutObject,
     const ReferenceClipPathOperation& referenceClipPathOperation)
 {
-    if (layoutObject.isSVG()) {
+    if (layoutObject.isSVG() && !layoutObject.isSVGRoot()) {
         // The reference will have been resolved in
         // SVGResources::buildResources, so we can just use the LayoutObject's
         // SVGResources.
         SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(&layoutObject);
         return resources ? resources->clipper() : nullptr;
     }
     // TODO(fs): It doesn't work with forward or external SVG references (https://bugs.webkit.org/show_bug.cgi?id=90405)
     Element* element = layoutObject.document().getElementById(referenceClipPathOperation.fragment());
     if (!isSVGClipPathElement(element) || !element->layoutObject())
         return nullptr;
@@ skipping 42 matching lines @@
     }
 }
 
 ClipPathClipper::~ClipPathClipper()
 {
     if (m_resourceClipper)
         SVGClipPainter(*m_resourceClipper).finishEffect(m_layoutObject, m_context, m_clipperState);
 }
 
 } // namespace blink