Remove uses of PaintBehaviorFlattenCompositingLayers

sky/engine/core/rendering/RenderLayer.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 256 matching lines @@
         box->style()->applyTransform(currTransform, box->pixelSnappedBorderBoxRect().size(), RenderStyle::ExcludeTransformOrigin);
         makeMatrixRenderable(currTransform);
         return currTransform;
     }
 
     return *m_transform;
 }
 
 TransformationMatrix RenderLayer::renderableTransform(PaintBehavior paintBehavior) const
 {
-    if (!m_transform)
-        return TransformationMatrix();
-
-    if (paintBehavior & PaintBehaviorFlattenCompositingLayers) {
-        TransformationMatrix matrix = *m_transform;
-        makeMatrixRenderable(matrix);
-        return matrix;
-    }
-
-    return *m_transform;
+    return m_transform ? *m_transform : TransformationMatrix();
 }
 
 RenderLayer* RenderLayer::enclosingOverflowClipLayer(IncludeSelfOrNot includeSelf) const
 {
     const RenderLayer* layer = (includeSelf == IncludeSelf) ? this : parent();
     while (layer) {
         if (layer->renderer()->hasOverflowClip())
             return const_cast<RenderLayer*>(layer);
 
         layer = layer->parent();
@@ skipping 1953 matching lines @@
     }
 }
 
 void showLayerTree(const blink::RenderObject* renderer)
 {
     if (!renderer)
         return;
     showLayerTree(renderer->enclosingLayer());
 }
 #endif