Remove CSS_SHADERS compile-time flag.

Source/WebCore/css/CSSGrammar.y.in

 /*
  *  Copyright (C) 2002-2003 Lars Knoll (knoll@kde.org)
  *  Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  *  Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *  Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  *  Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 126 matching lines @@
 %token WEBKIT_KEYFRAME_RULE_SYM
 %token WEBKIT_KEYFRAMES_SYM
 %token WEBKIT_VALUE_SYM
 %token WEBKIT_MEDIAQUERY_SYM
 %token WEBKIT_SELECTOR_SYM
 %token WEBKIT_REGION_RULE_SYM
 %token WEBKIT_VIEWPORT_RULE_SYM
 #if ENABLE_CSS3_CONDITIONAL_RULES
 %token WEBKIT_SUPPORTS_CONDITION_SYM
 #endif
-#if ENABLE_CSS_SHADERS
 %token WEBKIT_FILTER_RULE_SYM
-#endif
 %token <marginBox> TOPLEFTCORNER_SYM
 %token <marginBox> TOPLEFT_SYM
 %token <marginBox> TOPCENTER_SYM
 %token <marginBox> TOPRIGHT_SYM
 %token <marginBox> TOPRIGHTCORNER_SYM
 %token <marginBox> BOTTOMLEFTCORNER_SYM
 %token <marginBox> BOTTOMLEFT_SYM
 %token <marginBox> BOTTOMCENTER_SYM
 %token <marginBox> BOTTOMRIGHT_SYM
 %token <marginBox> BOTTOMRIGHTCORNER_SYM
@@ skipping 87 matching lines @@
 %type <ruleList> region_block_rule_list
 %type <rule> block_rule
 %type <rule> block_valid_rule
 %type <rule> region
 #if ENABLE_CSS3_CONDITIONAL_RULES
 %type <rule> supports
 #endif
 #if ENABLE_CSS_DEVICE_ADAPTATION
 %type <rule> viewport
 #endif
-#if ENABLE_CSS_SHADERS
 %type <rule> filter
-#endif
 
 %type <string> maybe_ns_prefix
 
 %type <string> namespace_selector
 
 %type <string> string_or_uri
 %type <string> ident_or_string
 %type <string> medium
 %type <marginBox> margin_sym
 
@@ skipping 203 matching lines @@
   | region
 #if ENABLE_CSS3_CONDITIONAL_RULES
   | supports
 #endif
 #if ENABLE_SHADOW_DOM
   | host
 #endif
 #if ENABLE_CSS_DEVICE_ADAPTATION
   | viewport
 #endif
-#if ENABLE_CSS_SHADERS
   | filter
-#endif
   ;
 
 rule:
     valid_rule {
         parser->m_hadSyntacticallyValidCSSRule = true;
     }
   | ignored_charset
   | invalid_rule
   | invalid_at
   ;
@@ skipping 27 matching lines @@
   | page
   | font_face
   | media
   | keyframes
 #if ENABLE_CSS3_CONDITIONAL_RULES
   | supports
 #endif
 #if ENABLE_CSS_DEVICE_ADAPTATION
   | viewport
 #endif
-#if ENABLE_CSS_SHADERS
   | filter
-#endif
   ;
 
 block_rule:
     block_valid_rule
   | invalid_rule
   | invalid_at
   | namespace
   | import
   | region
   ;
@@ skipping 539 matching lines @@
     before_region_rule WEBKIT_REGION_RULE_SYM WHITESPACE region_selector at_rule_header_end '{' at_rule_body_start maybe_space region_block_rule_list save_block {
         if ($4)
             $$ = parser->createRegionRule($4, $9);
         else {
             $$ = 0;
             parser->popRuleData();
         }
     }
 ;
 
-#if ENABLE_CSS_SHADERS
 before_filter_rule:
     /* empty */ {
         parser->markRuleHeaderStart(CSSRuleSourceData::FILTER_RULE);
         parser->m_inFilterRule = true;
     }
     ;
 
 filter:
     before_filter_rule WEBKIT_FILTER_RULE_SYM WHITESPACE IDENT at_rule_header_end_maybe_space
     '{' at_rule_body_start maybe_space_before_declaration declaration_list closing_brace {
         parser->m_inFilterRule = false;
         $$ = parser->createFilterRule($4);
     }
     ;
-#endif
 
 combinator:
     '+' maybe_space { $$ = CSSSelector::DirectAdjacent; }
   | '~' maybe_space { $$ = CSSSelector::IndirectAdjacent; }
   | '>' maybe_space { $$ = CSSSelector::Child; }
   ;
 
 maybe_unary_operator:
     unary_operator { $$ = $1; }
     | { $$ = 1; }
@@ skipping 909 matching lines @@
     }
     ;
 
 error_location: {
         $$ = parser->currentLocation();
     }
     ;
 
 %%