Move BackgroundBleedAvoidance definition to a separate file.

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

 // Copyright 2014 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 BoxDecorationData_h
 #define BoxDecorationData_h
 
-#include "core/layout/LayoutBoxModelObject.h" // For BackgroundBleedAvoidance.
+#include "core/layout/BackgroundBleedAvoidance.h"
 #include "platform/graphics/Color.h"
 
 namespace blink {
 
 class GraphicsContext;
 class LayoutBox;
 
 // Information extracted from ComputedStyle for box painting.
 struct BoxDecorationData {
     STACK_ALLOCATED();
 public:
     BoxDecorationData(const LayoutBox&);
 
     Color backgroundColor;
     BackgroundBleedAvoidance bleedAvoidance;
     bool hasBackground;
     bool hasBorderDecoration;
     bool hasAppearance;
 
 private:
     BackgroundBleedAvoidance determineBackgroundBleedAvoidance(const LayoutBox&);
 };
 
 } // namespace blink
 
 #endif