Remove assorted unnecessary includes in core/paint/

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

 // Copyright 2015 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.
 
 #include "core/paint/BoxBorderPainter.h"
 
 #include "core/paint/BoxPainter.h"
+#include "core/paint/ObjectPainter.h"
 #include "core/paint/PaintInfo.h"
 #include "core/style/BorderEdge.h"
 #include "core/style/ComputedStyle.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "wtf/Vector.h"
 #include <algorithm>
 
 namespace blink {
@@ skipping 1177 matching lines @@
         FloatPoint secondQuad[4];
         secondQuad[0] = quad[0];
         secondQuad[1] = FloatPoint(quad[0].x() - r1 * cx, quad[0].y() - r1 * cy);
         secondQuad[2] = quad[2];
         secondQuad[3] = quad[3];
         graphicsContext.clipPolygon(4, secondQuad, secondMiter == SoftMiter);
     }
 }
 
 } // namespace blink