Remove dead RenderLayerCompositor::setCompositingParent

Source/core/rendering/compositing/RenderLayerCompositor.cpp

 /*
  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 646 matching lines @@
     if (!child->hasCompositedLayerMapping() || parent->renderer()->documentBeingDestroyed())
         return;
 
     {
         // FIXME: This is called from within RenderLayer::removeChild, which is called from RenderObject::RemoveChild.
         // There's no guarantee that compositor state is up to date.
         DisableCompositingQueryAsserts disabler;
         repaintInCompositedAncestor(child, child->compositedLayerMapping()->compositedBounds());
     }
 
-    setCompositingParent(child, 0);
     setCompositingLayersNeedRebuild();
 }
 
-void RenderLayerCompositor::setCompositingParent(RenderLayer* childLayer, RenderLayer* parentLayer)
-{
-    ASSERT(!parentLayer || childLayer->ancestorCompositingLayer() == parentLayer);
-    ASSERT(childLayer->hasCompositedLayerMapping());
-
-    // It's possible to be called with a parent that isn't yet composited when we're doing
-    // partial updates as required by painting or hit testing. Just bail in that case;
-    // we'll do a full layer update soon.
-    if (!parentLayer || !parentLayer->hasCompositedLayerMapping())
-        return;
-
-    if (parentLayer) {
-        GraphicsLayer* hostingLayer = parentLayer->compositedLayerMapping()->parentForSublayers();
-        GraphicsLayer* hostedLayer = childLayer->compositedLayerMapping()->childForSuperlayers();

[abarth-chromium, 2014/05/09 03:02:36]

Do parentForSublayers and childForSuperlayers still have clients?

-
-        hostingLayer->addChild(hostedLayer);
-    } else {
-        childLayer->compositedLayerMapping()->childForSuperlayers()->removeFromParent();
-    }
-}
-
 void RenderLayerCompositor::frameViewDidChangeLocation(const IntPoint& contentsOffset)
 {
     if (m_overflowControlsHostLayer)
         m_overflowControlsHostLayer->setPosition(contentsOffset);
 }
 
 void RenderLayerCompositor::frameViewDidChangeSize()
 {
     if (m_containerLayer) {
         FrameView* frameView = m_renderView.frameView();
@@ skipping 746 matching lines @@
     } else if (graphicsLayer == m_scrollLayer.get()) {
         name = "LocalFrame Scrolling Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace WebCore