Revert of Remove cullRect() from PaintOpBuffer.

third_party/WebKit/Source/core/layout/svg/LayoutSVGResourcePattern.h

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright 2014 The Chromium Authors. All rights reserved.
  *
  * 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 14 matching lines @@
 #include <memory>
 #include "core/layout/svg/LayoutSVGResourcePaintServer.h"
 #include "core/svg/PatternAttributes.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/HashMap.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 
 namespace blink {
 
 class AffineTransform;
+class FloatRect;
 class SVGPatternElement;
 struct PatternData;
 
 class LayoutSVGResourcePattern final : public LayoutSVGResourcePaintServer {
  public:
   explicit LayoutSVGResourcePattern(SVGPatternElement*);
 
   const char* GetName() const override { return "LayoutSVGResourcePattern"; }
 
   void RemoveAllClientsFromCache(bool mark_for_invalidation = true) override;
   void RemoveClientFromCache(LayoutObject*,
                              bool mark_for_invalidation = true) override;
 
   SVGPaintServer PreparePaintServer(const LayoutObject&) override;
 
   static const LayoutSVGResourceType kResourceType = kPatternResourceType;
   LayoutSVGResourceType ResourceType() const override { return kResourceType; }
 
  private:
   std::unique_ptr<PatternData> BuildPatternData(const LayoutObject&);
-  sk_sp<PaintRecord> AsPaintRecord(const FloatSize&,
+  sk_sp<PaintRecord> AsPaintRecord(const FloatRect& tile,
                                    const AffineTransform&) const;
   PatternData* PatternForLayoutObject(const LayoutObject&);
 
   const LayoutSVGResourceContainer* ResolveContentElement() const;
 
   bool should_collect_pattern_attributes_ : 1;
   Persistent<PatternAttributesWrapper> attributes_wrapper_;
 
   PatternAttributes& MutableAttributes() {
     return attributes_wrapper_->Attributes();
   }
   const PatternAttributes& Attributes() const {
     return attributes_wrapper_->Attributes();
   }
 
   // FIXME: we can almost do away with this per-object map, but not quite: the
   // tile size can be relative to the client bounding box, and it gets captured
   // in the cached Pattern shader.
   // Hence, we need one Pattern shader per client. The display list OTOH is the
   // same => we should be able to cache a single display list per
   // LayoutSVGResourcePattern + one Pattern(shader) for each client -- this
   // would avoid re-recording when multiple clients share the same pattern.
   HashMap<const LayoutObject*, std::unique_ptr<PatternData>> pattern_map_;
 };
 
 }  // namespace blink
 
 #endif