Move RenderBoxClipper to core/paint/

Source/core/paint/BoxClipper.cpp

 // 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.
 
 #include "config.h"
-#include "core/rendering/RenderBoxClipper.h"
+#include "core/paint/BoxClipper.h"
 
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderBox.h"
 #include "core/rendering/RenderLayer.h"
 
 namespace blink {
 
-RenderBoxClipper::RenderBoxClipper(RenderBox& box, PaintInfo& paintInfo, const LayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior)
+BoxClipper::BoxClipper(RenderBox& box, PaintInfo& paintInfo, const LayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior)
     : m_pushedClip(false)
     , m_accumulatedOffset(accumulatedOffset)
     , m_paintInfo(paintInfo)
     , m_originalPhase(paintInfo.phase)
     , m_box(box)
 {
     if (m_paintInfo.phase == PaintPhaseBlockBackground || m_paintInfo.phase == PaintPhaseSelfOutline || m_paintInfo.phase == PaintPhaseMask)
         return;
 
     bool isControlClip = m_box.hasControlClip();
@@ skipping 30 matching lines @@
         m_box.paintObject(m_paintInfo, m_accumulatedOffset);
         m_paintInfo.phase = PaintPhaseChildBlockBackgrounds;
     }
     m_paintInfo.context->save();
     if (hasBorderRadius)
         m_paintInfo.context->clipRoundedRect(clipRoundedRect);
     m_paintInfo.context->clip(pixelSnappedIntRect(clipRect));
     m_pushedClip = true;
 }
 
-RenderBoxClipper::~RenderBoxClipper()
+BoxClipper::~BoxClipper()
 {
     if (!m_pushedClip)
         return;
 
     ASSERT(m_box.hasControlClip() || (m_box.hasOverflowClip() && !m_box.layer()->isSelfPaintingLayer()));
 
     m_paintInfo.context->restore();
     if (m_originalPhase == PaintPhaseOutline) {
         m_paintInfo.phase = PaintPhaseSelfOutline;
         m_box.paintObject(m_paintInfo, m_accumulatedOffset);
         m_paintInfo.phase = m_originalPhase;
     } else if (m_originalPhase == PaintPhaseChildBlockBackground) {
         m_paintInfo.phase = m_originalPhase;
     }
 }
 
 } // namespace blink