Revert of Remove cullRect() from PaintOpBuffer.

third_party/WebKit/Source/platform/graphics/BoxReflection.h

 // 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.
 
 #ifndef BoxReflection_h
 #define BoxReflection_h
 
 #include "platform/PlatformExport.h"
-#include "platform/geometry/FloatRect.h"
 #include "platform/graphics/paint/PaintRecord.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 
 class SkMatrix;
 
 namespace blink {
 
+class FloatRect;
+
 // A reflection, as created by -webkit-box-reflect. Consists of:
 // * a direction (either vertical or horizontal)
 // * an offset to be applied to the reflection after flipping about the
 //   x- or y-axis, according to the direction
 // * a mask image, which will be applied to the reflection before the
 //   reflection matrix is applied
 class PLATFORM_EXPORT BoxReflection {
  public:
   enum ReflectionDirection {
     // Vertically flipped (to appear above or below).
     kVerticalReflection,
     // Horizontally flipped (to appear to the left or right).
     kHorizontalReflection,
   };
 
-  BoxReflection(ReflectionDirection direction, float offset)
-      : BoxReflection(direction, offset, nullptr, FloatRect()) {}
-
   BoxReflection(ReflectionDirection direction,
                 float offset,
-                sk_sp<PaintRecord> mask,
-                const FloatRect& mask_bounds)
-      : direction_(direction),
-        offset_(offset),
-        mask_(std::move(mask)),
-        mask_bounds_(mask_bounds) {}
+                sk_sp<PaintRecord> mask = nullptr)
+      : direction_(direction), offset_(offset), mask_(std::move(mask)) {}
 
   ReflectionDirection Direction() const { return direction_; }
   float Offset() const { return offset_; }
   const sk_sp<PaintRecord>& Mask() const { return mask_; }
-  const FloatRect& MaskBounds() const { return mask_bounds_; }
 
   // Returns a matrix which maps points between the original content and its
   // reflection. Reflections are self-inverse, so this matrix can be used to
   // map in either direction.
   SkMatrix ReflectionMatrix() const;
 
   // Maps a source rectangle to the destination rectangle it can affect,
   // including this reflection. Due to the symmetry of reflections, this can
   // also be used to map from a destination rectangle to the source rectangle
   // which contributes to it.
   FloatRect MapRect(const FloatRect&) const;
 
  private:
   ReflectionDirection direction_;
   float offset_;
   sk_sp<PaintRecord> mask_;
-  FloatRect mask_bounds_;
 };
 
 inline bool operator==(const BoxReflection& a, const BoxReflection& b) {
   return a.Direction() == b.Direction() && a.Offset() == b.Offset() &&
-         a.Mask() == b.Mask() && a.MaskBounds() == b.MaskBounds();
+         a.Mask() == b.Mask();
 }
 
 inline bool operator!=(const BoxReflection& a, const BoxReflection& b) {
   return !(a == b);
 }
 
 }  // namespace blink
 
 #endif  // BoxReflection_h