Remove a bunch of dead code from RenderLayer

sky/engine/core/rendering/InlineFlowBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 1187 matching lines @@
 
     // Move x/y to our coordinates.
     LayoutRect localRect(frameRect);
     LayoutPoint adjustedPaintOffset = paintOffset + localRect.location();
 
     const NinePieceImage& maskNinePieceImage = renderer().style()->maskBoxImage();
     StyleImage* maskBoxImage = renderer().style()->maskBoxImage().image();
 
     // Figure out if we need to push a transparency layer to render our mask.
     bool pushTransparencyLayer = false;
-    bool compositedMask = renderer().hasLayer() && boxModelObject()->layer()->hasCompositedMask();
     bool flattenCompositingLayers = renderer().view()->frameView() && renderer().view()->frameView()->paintBehavior() & PaintBehaviorFlattenCompositingLayers;
     CompositeOperator compositeOp = CompositeSourceOver;
-    if (!compositedMask || flattenCompositingLayers) {
+    if (flattenCompositingLayers) {
         if ((maskBoxImage && renderer().style()->maskLayers().hasImage()) || renderer().style()->maskLayers().next())
             pushTransparencyLayer = true;
 
         compositeOp = CompositeDestinationIn;
         if (pushTransparencyLayer) {
             paintInfo.context->setCompositeOperation(CompositeDestinationIn);
             paintInfo.context->beginTransparencyLayer(1.0f);
             compositeOp = CompositeSourceOver;
         }
     }
@@ skipping 225 matching lines @@
         ASSERT(child->prevOnLine() == prev);
         prev = child;
     }
     ASSERT(prev == m_lastChild);
 #endif
 }
 
 #endif
 
 } // namespace blink