Move RenderBoxClipper to core/paint/

Source/core/rendering/RenderBoxClipper.h

Index: Source/core/rendering/RenderBoxClipper.h
diff --git a/Source/core/rendering/RenderBoxClipper.h b/Source/core/rendering/RenderBoxClipper.h
deleted file mode 100644
index 67d3803ca937c5c8c3273ec5515ab904a7f07d8d..0000000000000000000000000000000000000000
--- a/Source/core/rendering/RenderBoxClipper.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// 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 RenderBoxClipper_h
-#define RenderBoxClipper_h
-
-#include "core/rendering/PaintPhase.h"
-#include "platform/geometry/LayoutPoint.h"
-
-namespace blink {
-
-class RenderBox;
-struct PaintInfo;
-
-enum ContentsClipBehavior { ForceContentsClip, SkipContentsClipIfPossible };
-
-class RenderBoxClipper {
-public:
-    RenderBoxClipper(RenderBox&, PaintInfo&, const LayoutPoint& accumulatedOffset, ContentsClipBehavior);
-    ~RenderBoxClipper();
-
-    bool pushedClip() { return m_pushedClip; }
-private:
-    bool m_pushedClip;
-    LayoutPoint m_accumulatedOffset;
-    PaintInfo& m_paintInfo;
-    PaintPhase m_originalPhase;
-    RenderBox& m_box;
-};
-
-} // namespace blink
-
-#endif // RenderBoxClipper_h