Remove the CSS_COMPOSITING define, the CSS blending and compositing

WebCore/rendering/RenderLayer.h

 /*
  * Copyright (C) 2003, 2009, 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 453 matching lines @@
     void updateLayerPositionsAfterOverflowScroll();
     void updateLayerPositionsAfterDocumentScroll();
 
     void positionNewlyCreatedOverflowControls();
 
     bool isPaginated() const { return m_isPaginated; }
     RenderLayer* enclosingPaginationLayer() const { return m_enclosingPaginationLayer; }
 
     void updateTransform();
     
-#if ENABLE(CSS_COMPOSITING)
     void updateBlendMode();
-#endif
 
     const LayoutSize& paintOffset() const { return m_paintOffset; }
 
     void clearClipRectsIncludingDescendants(ClipRectsType typeToClear = AllClipRectTypes);
     void clearClipRects(ClipRectsType typeToClear = AllClipRectTypes);
 
     void addBlockSelectionGapsBounds(const LayoutRect&);
     void clearBlockSelectionGapsBounds();
     void repaintBlockSelectionGaps();
 
@@ skipping 240 matching lines @@
     bool preserves3D() const { return renderer()->style()->transformStyle3D() == TransformStyle3DPreserve3D; }
     bool has3DTransform() const { return m_transform && !m_transform->isAffine(); }
 
 #if ENABLE(CSS_FILTERS)
     virtual void filterNeedsRepaint();
     bool hasFilter() const { return renderer()->hasFilter(); }
 #else
     bool hasFilter() const { return false; }
 #endif
 
-#if ENABLE(CSS_COMPOSITING)
     bool hasBlendMode() const { return renderer()->hasBlendMode(); }
-#else
-    bool hasBlendMode() const { return false; }
-#endif
 
     // Overloaded new operator. Derived classes must override operator new
     // in order to allocate out of the RenderArena.
     void* operator new(size_t, RenderArena*);
 
     // Overridden to prevent the normal delete from being called.
     void operator delete(void*, size_t);
 
     bool isComposited() const { return m_backing != 0; }
     bool hasCompositedMask() const;
@@ skipping 428 matching lines @@
 #endif
     // This is an optimization added for <table>.
     // Currently cells do not need to update their repaint rectangles when scrolling. This also
     // saves a lot of time when scrolling on a table.
     const bool m_canSkipRepaintRectsUpdateOnScroll : 1;
 
 #if ENABLE(CSS_FILTERS)
     bool m_hasFilterInfo : 1;
 #endif
 
-#if ENABLE(CSS_COMPOSITING)
     BlendMode m_blendMode;
-#endif
 
     RenderLayerModelObject* m_renderer;
 
     RenderLayer* m_parent;
     RenderLayer* m_previous;
     RenderLayer* m_next;
     RenderLayer* m_first;
     RenderLayer* m_last;
 
     LayoutRect m_repaintRect; // Cached repaint rects. Used by layout.
@@ skipping 103 matching lines @@
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLayerTree(const WebCore::RenderLayer*);
 void showLayerTree(const WebCore::RenderObject*);
 #endif
 
 #endif // RenderLayer_h