Remove CSS_SHADERS compile-time flag.

Source/WebCore/platform/graphics/chromium/GraphicsLayerChromium.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 340 matching lines @@
         case FilterOperation::BLUR: {
             float pixelRadius = static_cast<const BlurFilterOperation*>(&op)->stdDeviation().getFloatValue();
             webFilters.append(WebFilterOperation::createBlurFilter(pixelRadius));
             break;
         }
         case FilterOperation::DROP_SHADOW: {
             const DropShadowFilterOperation& dropShadowOp = *static_cast<const DropShadowFilterOperation*>(&op);
             webFilters.append(WebFilterOperation::createDropShadowFilter(WebPoint(dropShadowOp.x(), dropShadowOp.y()), dropShadowOp.stdDeviation(), dropShadowOp.color().rgb()));
             break;
         }
-#if ENABLE(CSS_SHADERS)
         case FilterOperation::CUSTOM:
         case FilterOperation::VALIDATED_CUSTOM:
             return false; // Not supported.
-#endif
         case FilterOperation::PASSTHROUGH:
         case FilterOperation::NONE:
             break;
         }
     }
     return true;
 }
 
 bool GraphicsLayerChromium::setFilters(const FilterOperations& filters)
 {
@@ skipping 528 matching lines @@
     info.addMember(m_transformLayer, "transformLayer");
     info.addMember(m_imageLayer, "imageLayer");
     info.addMember(m_contentsLayer, "contentsLayer");
     info.addMember(m_linkHighlight, "linkHighlight");
     info.addMember(m_opaqueRectTrackingContentLayerDelegate, "opaqueRectTrackingContentLayerDelegate");
     info.addMember(m_animationIdMap, "animationIdMap");
     info.addMember(m_scrollableArea, "scrollableArea");
 }
 
 } // namespace WebCore