Remove dead StyleDifference::needsRecompositeLayer

Source/core/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1871 matching lines @@
 {
     if (contextSensitiveProperties & ContextSensitivePropertyTransform && isSVG())
         diff.setNeedsFullLayout();
 
     // If transform changed, and the layer does not paint into its own separate backing, then we need to invalidate paints.
     if (contextSensitiveProperties & ContextSensitivePropertyTransform) {
         // Text nodes share style with their parents but transforms don't apply to them,
         // hence the !isText() check.
         if (!isText() && (!hasLayer() || !toRenderLayerModelObject(this)->layer()->hasStyleDeterminedDirectCompositingReasons()))
             diff.setNeedsRepaintLayer();
-        else
-            diff.setNeedsRecompositeLayer();
     }
 
     // If opacity or zIndex changed, and the layer does not paint into its own separate backing, then we need to invalidate paints (also
     // ignoring text nodes)
     if (contextSensitiveProperties & (ContextSensitivePropertyOpacity | ContextSensitivePropertyZIndex)) {
         if (!isText() && (!hasLayer() || !toRenderLayerModelObject(this)->layer()->hasStyleDeterminedDirectCompositingReasons()))
             diff.setNeedsRepaintLayer();
-        else
-            diff.setNeedsRecompositeLayer();
     }
 
     // If filter changed, and the layer does not paint into its own separate backing or it paints with filters, then we need to invalidate paints.
     if ((contextSensitiveProperties & ContextSensitivePropertyFilter) && hasLayer()) {
         RenderLayer* layer = toRenderLayerModelObject(this)->layer();
         if (!layer->hasStyleDeterminedDirectCompositingReasons() || layer->paintsWithFilters())
             diff.setNeedsRepaintLayer();
-        else
-            diff.setNeedsRecompositeLayer();
     }
 
     if ((contextSensitiveProperties & ContextSensitivePropertyTextOrColor) && !diff.needsRepaint()
         && hasImmediateNonWhitespaceTextChildOrPropertiesDependentOnColor())
         diff.setNeedsRepaintObject();
 
     // The answer to layerTypeRequired() for plugins, iframes, and canvas can change without the actual
     // style changing, since it depends on whether we decide to composite these elements. When the
     // layer status of one of these elements changes, we need to force a layout.
     if (!diff.needsFullLayout() && style() && isLayerModelObject()) {
@@ skipping 1509 matching lines @@
 {
     if (object1) {
         const WebCore::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif