Remove CSS_SHADERS compile-time flag.

Source/WebCore/rendering/style/StyleShader.h

 /*
  * Copyright (C) 2011 Adobe Systems Incorporated. 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.
@@ skipping 12 matching lines @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #ifndef StyleShader_h
 #define StyleShader_h
 
-#if ENABLE(CSS_SHADERS)
-
 #include <wtf/RefCounted.h>
 
 namespace WebCore {
 
 class CachedShader;
 class CSSValue;
 
 class StyleShader : public RefCounted<StyleShader> {
 public:
     virtual ~StyleShader() { }
@@ skipping 10 matching lines @@
         : m_isCachedShader(false)
         , m_isPendingShader(false)
     {
     }
     bool m_isCachedShader : 1;
     bool m_isPendingShader : 1;
 };
 
 }
 
-#endif // ENABLE(CSS_SHADERS)
 
 #endif // StyleShader_h