Remove the CSS_COMPOSITING define, the CSS blending and compositing

WebCore/rendering/style/StyleRareNonInheritedData.cpp

Index: WebCore/rendering/style/StyleRareNonInheritedData.cpp
===================================================================
--- WebCore/rendering/style/StyleRareNonInheritedData.cpp	(revision 148420)
+++ WebCore/rendering/style/StyleRareNonInheritedData.cpp	(working copy)
@@ -82,9 +82,7 @@
     , m_wrapThrough(RenderStyle::initialWrapThrough())
     , m_runningAcceleratedAnimation(false)
     , m_hasAspectRatio(false)
-#if ENABLE(CSS_COMPOSITING)
     , m_effectiveBlendMode(RenderStyle::initialBlendMode())
-#endif
 {
     m_maskBoxImage.setMaskDefaults();
 }
@@ -161,9 +159,7 @@
     , m_wrapThrough(o.m_wrapThrough)
     , m_runningAcceleratedAnimation(o.m_runningAcceleratedAnimation)
     , m_hasAspectRatio(o.m_hasAspectRatio)
-#if ENABLE(CSS_COMPOSITING)
     , m_effectiveBlendMode(o.m_effectiveBlendMode)
-#endif
 {
 }
 
@@ -242,9 +238,7 @@
         && m_wrapFlow == o.m_wrapFlow
         && m_wrapThrough == o.m_wrapThrough
         && !m_runningAcceleratedAnimation && !o.m_runningAcceleratedAnimation
-#if ENABLE(CSS_COMPOSITING)
         && m_effectiveBlendMode == o.m_effectiveBlendMode
-#endif
         && m_hasAspectRatio == o.m_hasAspectRatio;
 }