Remove CSS_SHADERS compile-time flag.

Source/WebCore/rendering/FilterEffectRenderer.h

Index: Source/WebCore/rendering/FilterEffectRenderer.h
diff --git a/Source/WebCore/rendering/FilterEffectRenderer.h b/Source/WebCore/rendering/FilterEffectRenderer.h
index 535a87ac0457c6128b71ad746812cdaf191f5b13..a7fecdc5fbe5a259a237662156f69521cb474aa2 100644
--- a/Source/WebCore/rendering/FilterEffectRenderer.h
+++ b/Source/WebCore/rendering/FilterEffectRenderer.h
@@ -114,9 +114,7 @@ public:
     bool hasFilterThatMovesPixels() const { return m_hasFilterThatMovesPixels; }
     LayoutRect computeSourceImageRectForDirtyRect(const LayoutRect& filterBoxRect, const LayoutRect& dirtyRect);
 
-#if ENABLE(CSS_SHADERS)
     bool hasCustomShaderFilter() const { return m_hasCustomShaderFilter; }
-#endif
 private:
     void setMaxEffectRects(const FloatRect& effectRect)
     {
@@ -145,9 +143,7 @@ private:
 
     bool m_graphicsBufferAttached;
     bool m_hasFilterThatMovesPixels;
-#if ENABLE(CSS_SHADERS)
     bool m_hasCustomShaderFilter;
-#endif
 };
 
 } // namespace WebCore