Move RenderBoxClipper to core/paint/

Source/core/rendering/RenderBoxClipper.cpp

Index: Source/core/rendering/RenderBoxClipper.cpp
diff --git a/Source/core/rendering/RenderBoxClipper.cpp b/Source/core/rendering/RenderBoxClipper.cpp
deleted file mode 100644
index c358886355db9d179cd38e17e4d47efdb7371002..0000000000000000000000000000000000000000
--- a/Source/core/rendering/RenderBoxClipper.cpp
+++ /dev/null
@@ -1,82 +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.
-
-#include "config.h"
-#include "core/rendering/RenderBoxClipper.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)
-    : 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();
-    bool isOverflowClip = m_box.hasOverflowClip() && !m_box.layer()->isSelfPaintingLayer();
-
-    if (!isControlClip && !isOverflowClip)
-        return;
-
-    LayoutRect clipRect = isControlClip ? m_box.controlClipRect(m_accumulatedOffset) : m_box.overflowClipRect(m_accumulatedOffset);
-    RoundedRect clipRoundedRect(0, 0, 0, 0);
-    bool hasBorderRadius = m_box.style()->hasBorderRadius();
-    if (hasBorderRadius)
-        clipRoundedRect = m_box.style()->getRoundedInnerBorderFor(LayoutRect(m_accumulatedOffset, m_box.size()));
-
-    if (contentsClipBehavior == SkipContentsClipIfPossible) {
-        LayoutRect contentsVisualOverflow = m_box.contentsVisualOverflowRect();
-        if (contentsVisualOverflow.isEmpty())
-            return;
-
-        LayoutRect conservativeClipRect = clipRect;
-        if (hasBorderRadius)
-            conservativeClipRect.intersect(clipRoundedRect.radiusCenterRect());
-        conservativeClipRect.moveBy(-m_accumulatedOffset);
-        if (m_box.hasLayer())
-            conservativeClipRect.move(m_box.scrolledContentOffset());
-        if (conservativeClipRect.contains(contentsVisualOverflow))
-            return;
-    }
-
-    if (m_paintInfo.phase == PaintPhaseOutline) {
-        m_paintInfo.phase = PaintPhaseChildOutlines;
-    } else if (m_paintInfo.phase == PaintPhaseChildBlockBackground) {
-        m_paintInfo.phase = PaintPhaseBlockBackground;
-        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()
-{
-    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