Avoid duplicating the BleedAvoidanceIsClipping function in Blink paint

third_party/WebKit/Source/core/paint/BoxPainter.cpp

Index: third_party/WebKit/Source/core/paint/BoxPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/BoxPainter.cpp b/third_party/WebKit/Source/core/paint/BoxPainter.cpp
index b0d1505db8d33813472dca8fb16293c1ab5a4936..7459bdb8795f46f6cb52d77692bfc8953f90f390 100644
--- a/third_party/WebKit/Source/core/paint/BoxPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/BoxPainter.cpp
@@ -100,15 +100,6 @@ LayoutRect BoxPainter::BoundsForDrawingRecorder(
   return bounds;
 }
 
-namespace {
-
-bool BleedAvoidanceIsClipping(BackgroundBleedAvoidance bleed_avoidance) {
-  return bleed_avoidance == kBackgroundBleedClipOnly ||
-         bleed_avoidance == kBackgroundBleedClipLayer;
-}
-
-}  // anonymous namespace
-
 void BoxPainter::PaintBoxDecorationBackgroundWithRect(
     const PaintInfo& paint_info,
     const LayoutPoint& paint_offset,