Remove dead control clip code.

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 780 matching lines @@
     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 == PaintPhaseSelfOutline || paintInfo.phase == PaintPhaseMask)
         return false;
 
-    bool isControlClip = hasControlClip();
     bool isOverflowClip = hasOverflowClip() && !layer()->isSelfPaintingLayer();
-
-    if (!isControlClip && !isOverflowClip)
+    if (!isOverflowClip)
         return false;
 
-    LayoutRect clipRect = isControlClip ? controlClipRect(accumulatedOffset) : overflowClipRect(accumulatedOffset);
+    LayoutRect clipRect = overflowClipRect(accumulatedOffset);
     RoundedRect clipRoundedRect(0, 0, 0, 0);
     bool hasBorderRadius = style()->hasBorderRadius();
     if (hasBorderRadius)
         clipRoundedRect = style()->getRoundedInnerBorderFor(LayoutRect(accumulatedOffset, size()));
 
     if (contentsClipBehavior == SkipContentsClipIfPossible) {
         LayoutRect contentsVisualOverflow = contentsVisualOverflowRect();
         if (contentsVisualOverflow.isEmpty())
             return false;
 
@@ skipping 11 matching lines @@
         paintInfo.phase = PaintPhaseChildOutlines;
     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()));
+    ASSERT(hasOverflowClip() && !layer()->isSelfPaintingLayer());
 
     paintInfo.context->restore();
     if (originalPhase == PaintPhaseOutline) {
         paintInfo.phase = PaintPhaseSelfOutline;
         paintObject(paintInfo, accumulatedOffset);
         paintInfo.phase = originalPhase;
     }
 }
 
 LayoutRect RenderBox::overflowClipRect(const LayoutPoint& location)
@@ skipping 2090 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