Simplify HTMLStyleElement.

sky/engine/core/css/parser/CSSGrammar.y

 %{
 
 /*
  *  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
@@ skipping 748 matching lines @@
 
 keyframes_rule:
     keyframe_rule_list
     | keyframe_rule_list keyframes_error_recovery {
         parser->clearProperties();
     };
 
 keyframe_rule_list:
     /* empty */ {
         $$ = parser->createFloatingKeyframeVector();
-        parser->resumeErrorLogging();
     }
     |  keyframe_rule_list keyframe_rule maybe_space location_label {
         $$ = $1;
         $$->append($2);
     }
     | keyframe_rule_list keyframes_error_recovery invalid_block maybe_space location_label {
         parser->clearProperties();
-        parser->resumeErrorLogging();
     }
     ;
 
 keyframe_rule:
     key_list '{' maybe_space declaration_list closing_brace {
         $$ = parser->createKeyframe($1);
     }
     ;
 
 key_list:
@@ skipping 632 matching lines @@
     ;
 
 regular_invalid_at_rule_header:
     keyframes_rule_start at_rule_header_recovery
   | before_font_face_rule FONT_FACE_SYM at_rule_header_recovery
   | before_supports_rule SUPPORTS_SYM error error_location rule_error_recovery {
         parser->reportError($4, InvalidSupportsConditionCSSError);
         parser->popSupportsRuleData();
     }
   | error_location invalid_at at_rule_header_recovery {
-        parser->resumeErrorLogging();
         parser->reportError($1, InvalidRuleCSSError);
     }
   ;
 
 invalid_rule:
     error error_location rule_error_recovery at_invalid_rule_header_end invalid_block {
         parser->reportError($2, InvalidRuleCSSError);
     }
   | regular_invalid_at_rule_header at_invalid_rule_header_end ';'
   | regular_invalid_at_rule_header at_invalid_rule_header_end invalid_block
@@ skipping 50 matching lines @@
     ;
 
 rule_error_recovery:
     /* empty */
   | rule_error_recovery error
   | rule_error_recovery invalid_square_brackets_block
   | rule_error_recovery invalid_parentheses_block
     ;
 
 %%