Revert of Remove cullRect() from PaintOpBuffer.

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

Index: third_party/WebKit/Source/platform/graphics/BoxReflection.h
diff --git a/third_party/WebKit/Source/platform/graphics/BoxReflection.h b/third_party/WebKit/Source/platform/graphics/BoxReflection.h
index 3a18ee9712dae72a902c7a13255b47e1a5c4b3b7..7a4a5b2b44cfd593e9fad82bbbaff8c54b41e3f7 100644
--- a/third_party/WebKit/Source/platform/graphics/BoxReflection.h
+++ b/third_party/WebKit/Source/platform/graphics/BoxReflection.h
@@ -6,7 +6,6 @@
 #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"
 
@@ -14,6 +13,8 @@ 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
@@ -29,22 +30,14 @@ class PLATFORM_EXPORT BoxReflection {
     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
@@ -61,12 +54,11 @@ class PLATFORM_EXPORT BoxReflection {
   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) {