Use an SVGElementProxy in ReferenceClipPathOperation

third_party/WebKit/Source/core/paint/FilterPainter.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 "core/paint/FilterPainter.h"
 
 #include "core/paint/FilterEffectBuilder.h"
 #include "core/paint/LayerClipRecorder.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/RuntimeEnabledFeatures.h"
@@ skipping 18 matching lines @@
     : m_filterInProgress(false),
       m_context(context),
       m_layoutObject(layer.layoutObject()) {
   if (!layer.paintsWithFilters())
     return;
 
   FilterEffect* lastEffect = layer.lastFilterEffect();
   if (!lastEffect)
     return;
 
-  DCHECK(layer.filterInfo());
-
   sk_sp<SkImageFilter> imageFilter =
       SkiaImageFilterBuilder::build(lastEffect, ColorSpaceDeviceRGB);
   if (!imageFilter)
     return;
 
   // We'll handle clipping to the dirty rect before filter rasterization.
   // Filter processing will automatically expand the clip rect and the offscreen
   // to accommodate any filter outsets.
   // FIXME: It is incorrect to just clip to the damageRect here once multiple
   // fragments are involved.
@@ skipping 38 matching lines @@
 }
 
 FilterPainter::~FilterPainter() {
   if (!m_filterInProgress)
     return;
 
   m_context.getPaintController().endItem<EndFilterDisplayItem>(*m_layoutObject);
 }
 
 }  // namespace blink