Use an SVGElementProxy in ReferenceClipPathOperation

third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h

Index: third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h
diff --git a/third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h b/third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h
deleted file mode 100644
index 8805083ba956ff4e08e3b4a223effe485f5f5e71..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/paint/PaintLayerFilterInfo.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above
- *    copyright notice, this list of conditions and the following
- *    disclaimer.
- * 2. Redistributions in binary form must reproduce the above
- *    copyright notice, this list of conditions and the following
- *    disclaimer in the documentation and/or other materials
- *    provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
- * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
- * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef PaintLayerFilterInfo_h
-#define PaintLayerFilterInfo_h
-
-#include "core/svg/SVGResourceClient.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Noncopyable.h"
-
-namespace blink {
-
-class FilterEffect;
-class PaintLayer;
-
-// PaintLayerFilterInfo holds the filter information for painting.
-// https://drafts.fxtf.org/filters/
-//
-// Because PaintLayer is not allocated for SVG objects, SVG filters (both
-// software and hardware-accelerated) use a different code path to paint the
-// filters (SVGFilterPainter), but both code paths use the same abstraction for
-// painting non-hardware accelerated filters (FilterEffect). Hardware
-// accelerated CSS filters use CompositorFilterOperations, that is backed by cc.
-//
-class PaintLayerFilterInfo final
-    : public GarbageCollectedFinalized<PaintLayerFilterInfo>,
-      public SVGResourceClient {
-  WTF_MAKE_NONCOPYABLE(PaintLayerFilterInfo);
-  USING_GARBAGE_COLLECTED_MIXIN(PaintLayerFilterInfo);
-
- public:
-  explicit PaintLayerFilterInfo(PaintLayer*);
-  ~PaintLayerFilterInfo() override;
-
-  void setLastEffect(FilterEffect*);
-  FilterEffect* lastEffect() const;
-  void invalidateFilterChain();
-
-  void clearLayer() { m_layer = nullptr; }
-
-  TreeScope* treeScope() override;
-
-  void resourceContentChanged() override;
-  void resourceElementChanged() override;
-
-  DECLARE_TRACE();
-
- private:
-  // |clearLayer| must be called before *m_layer becomes invalid.
-  PaintLayer* m_layer;
-  Member<FilterEffect> m_lastEffect;
-};
-
-}  // namespace blink
-
-#endif  // PaintLayerFilterInfo_h