Remove even more @keyframes related code.

sky/engine/core/css/RuleSet.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 135 matching lines @@
         StyleRuleBase* rule = rules[i].get();
 
         if (rule->isStyleRule()) {
             StyleRule* styleRule = toStyleRule(rule);
 
             const CSSSelectorList& selectorList = styleRule->selectorList();
             for (size_t selectorIndex = 0; selectorIndex != kNotFound; selectorIndex = selectorList.indexOfNextSelectorAfter(selectorIndex))
                 addRule(styleRule, selectorIndex);
         } else if (rule->isFontFaceRule()) {
             addFontFaceRule(toStyleRuleFontFace(rule));
-        } else if (rule->isKeyframesRule()) {
-            // TODO(esprehn): remove this.
         } else if (rule->isSupportsRule() && toStyleRuleSupports(rule)->conditionIsSupported()) {
             addChildRules(toStyleRuleSupports(rule)->childRules());
         }
     }
 }
 
 void RuleSet::addRulesFromSheet(StyleSheetContents* sheet)
 {
     TRACE_EVENT0("blink", "RuleSet::addRulesFromSheet");
     ASSERT(sheet);
@@ skipping 37 matching lines @@
 
 #ifndef NDEBUG
 void RuleSet::show()
 {
     for (Vector<RuleData>::const_iterator it = m_allRules.begin(); it != m_allRules.end(); ++it)
         it->selector().show();
 }
 #endif
 
 } // namespace blink