Remove some dead code from rendering/ folder

Source/core/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 594 matching lines @@
     LayoutPoint adjustedLayerOffset = layerOffset + locationOffset();
     RenderBoxModelObject::addLayerHitTestRects(layerRects, currentLayer, adjustedLayerOffset, containerRect);
 }
 
 void RenderBox::computeSelfHitTestRects(Vector<LayoutRect>& rects, const LayoutPoint& layerOffset) const
 {
     if (!size().isEmpty())
         rects.append(LayoutRect(layerOffset, size()));
 }
 
-LayoutRect RenderBox::reflectionBox() const
-{
-    LayoutRect result;
-    if (!style()->boxReflect())
-        return result;
-    LayoutRect box = borderBoxRect();
-    result = box;
-    switch (style()->boxReflect()->direction()) {
-        case ReflectionBelow:
-            result.move(0, box.height() + reflectionOffset());
-            break;
-        case ReflectionAbove:
-            result.move(0, -box.height() - reflectionOffset());
-            break;
-        case ReflectionLeft:
-            result.move(-box.width() - reflectionOffset(), 0);
-            break;
-        case ReflectionRight:
-            result.move(box.width() + reflectionOffset(), 0);
-            break;
-    }
-    return result;
-}
-
 int RenderBox::reflectionOffset() const
 {
     if (!style()->boxReflect())
         return 0;
     if (style()->boxReflect()->direction() == ReflectionLeft || style()->boxReflect()->direction() == ReflectionRight)
         return valueForLength(style()->boxReflect()->offset(), borderBoxRect().width());
     return valueForLength(style()->boxReflect()->offset(), borderBoxRect().height());
 }
 
 LayoutRect RenderBox::reflectedRect(const LayoutRect& r) const
@@ skipping 806 matching lines @@
 
     if (allMaskImagesLoaded) {
         paintFillLayers(paintInfo, Color::transparent, style()->maskLayers(), paintRect, BackgroundBleedNone, compositeOp);
         paintNinePieceImage(paintInfo.context, paintRect, style(), style()->maskBoxImage(), compositeOp);
     }
 
     if (pushTransparencyLayer)
         paintInfo.context->endLayer();
 }
 
-LayoutRect RenderBox::maskClipRect()
-{
-    const NinePieceImage& maskBoxImage = style()->maskBoxImage();
-    if (maskBoxImage.image()) {
-        LayoutRect borderImageRect = borderBoxRect();
-
-        // Apply outsets to the border box.
-        borderImageRect.expand(style()->maskBoxImageOutsets());
-        return borderImageRect;
-    }
-
-    LayoutRect result;
-    LayoutRect borderBox = borderBoxRect();
-    for (const FillLayer* maskLayer = style()->maskLayers(); maskLayer; maskLayer = maskLayer->next()) {
-        if (maskLayer->image()) {
-            BackgroundImageGeometry geometry;
-            // Masks should never have fixed attachment, so it's OK for paintContainer to be null.
-            calculateBackgroundImageGeometry(0, maskLayer, borderBox, geometry);
-            result.unite(geometry.destRect());
-        }
-    }
-    return result;
-}
-
 void RenderBox::paintFillLayers(const PaintInfo& paintInfo, const Color& c, const FillLayer* fillLayer, const LayoutRect& rect,
     BackgroundBleedAvoidance bleedAvoidance, CompositeOperator op, RenderObject* backgroundObject)
 {
     Vector<const FillLayer*, 8> layers;
     const FillLayer* curLayer = fillLayer;
     bool shouldDrawBackgroundInSeparateBuffer = false;
     while (curLayer) {
         layers.append(curLayer);
         // Stop traversal when an opaque layer is encountered.
         // FIXME : It would be possible for the following occlusion culling test to be more aggressive
@@ skipping 3239 matching lines @@
         return 0;
 
     if (!layoutState && !flowThreadContainingBlock())
         return 0;
 
     RenderBlock* containerBlock = containingBlock();
     return containerBlock->offsetFromLogicalTopOfFirstPage() + logicalTop();
 }
 
 } // namespace WebCore