Merge the background paint phase into the foreground phase.

sky/engine/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 782 matching lines @@
 }
 
 void RenderBox::paintFillLayer(const PaintInfo& paintInfo, const Color& c, const FillLayer& fillLayer, const LayoutRect& rect,
     BackgroundBleedAvoidance bleedAvoidance, RenderObject* backgroundObject, bool skipBaseColor)
 {
     paintFillLayerExtended(paintInfo, c, fillLayer, rect, bleedAvoidance, 0, LayoutSize(), backgroundObject, skipBaseColor);
 }
 
 bool RenderBox::pushContentsClip(PaintInfo& paintInfo, const LayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior)
 {
-    if (paintInfo.phase == PaintPhaseBlockBackground || paintInfo.phase == PaintPhaseSelfOutline || paintInfo.phase == PaintPhaseMask)
+    if (paintInfo.phase == PaintPhaseSelfOutline || paintInfo.phase == PaintPhaseMask)
         return false;
 
     bool isControlClip = hasControlClip();
     bool isOverflowClip = hasOverflowClip() && !layer()->isSelfPaintingLayer();
 
     if (!isControlClip && !isOverflowClip)
         return false;
 
     LayoutRect clipRect = isControlClip ? controlClipRect(accumulatedOffset) : overflowClipRect(accumulatedOffset);
     RoundedRect clipRoundedRect(0, 0, 0, 0);
@@ skipping 11 matching lines @@
             conservativeClipRect.intersect(clipRoundedRect.radiusCenterRect());
         conservativeClipRect.moveBy(-accumulatedOffset);
         if (hasLayer())
             conservativeClipRect.move(scrolledContentOffset());
         if (conservativeClipRect.contains(contentsVisualOverflow))
             return false;
     }
 
     if (paintInfo.phase == PaintPhaseOutline)
         paintInfo.phase = PaintPhaseChildOutlines;
-    else if (paintInfo.phase == PaintPhaseChildBlockBackground) {
-        paintInfo.phase = PaintPhaseBlockBackground;
-        paintObject(paintInfo, accumulatedOffset);
-        paintInfo.phase = PaintPhaseChildBlockBackgrounds;
-    }
     paintInfo.context->save();
     if (hasBorderRadius)
         paintInfo.context->clipRoundedRect(clipRoundedRect);
     paintInfo.context->clip(pixelSnappedIntRect(clipRect));
     return true;
 }
 
 void RenderBox::popContentsClip(PaintInfo& paintInfo, PaintPhase originalPhase, const LayoutPoint& accumulatedOffset)
 {
     ASSERT(hasControlClip() || (hasOverflowClip() && !layer()->isSelfPaintingLayer()));
 
     paintInfo.context->restore();
     if (originalPhase == PaintPhaseOutline) {
         paintInfo.phase = PaintPhaseSelfOutline;
         paintObject(paintInfo, accumulatedOffset);
         paintInfo.phase = originalPhase;
-    } else if (originalPhase == PaintPhaseChildBlockBackground)
-        paintInfo.phase = originalPhase;
+    }
 }
 
 LayoutRect RenderBox::overflowClipRect(const LayoutPoint& location)
 {
     LayoutRect clipRect = borderBoxRect();
     clipRect.setLocation(location + clipRect.location() + LayoutSize(borderLeft(), borderTop()));
     clipRect.setSize(clipRect.size() - LayoutSize(borderLeft() + borderRight(), borderTop() + borderBottom()));
     return clipRect;
 }
 
@@ skipping 2083 matching lines @@
 
 RenderBox::BoxDecorationData::BoxDecorationData(const RenderStyle& style)
 {
     backgroundColor = style.colorIncludingFallback(CSSPropertyBackgroundColor);
     hasBackground = backgroundColor.alpha() || style.hasBackgroundImage();
     ASSERT(hasBackground == style.hasBackground());
     hasBorder = style.hasBorder();
 }
 
 } // namespace blink