Make CSSKeyframesRule.insertRule an alias of appendRule

Source/core/css/CSSKeyframesRule.cpp

 /*
  * Copyright (C) 2007, 2008, 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 99 matching lines @@
 #endif
 }
 
 void CSSKeyframesRule::setName(const String& name)
 {
     CSSStyleSheet::RuleMutationScope mutationScope(this);
 
     m_keyframesRule->setName(name);
 }
 
-void CSSKeyframesRule::insertRule(const String& ruleText)
+void CSSKeyframesRule::appendRule(const String& ruleText)
 {
     ASSERT(m_childRuleCSSOMWrappers.size() == m_keyframesRule->keyframes().size());
 
     CSSStyleSheet* styleSheet = parentStyleSheet();
     CSSParserContext context(parserContext(), UseCounter::getFrom(styleSheet));
     RefPtrWillBeRawPtr<StyleRuleKeyframe> keyframe = CSSParser::parseKeyframeRule(context, styleSheet ? styleSheet->contents() : 0, ruleText);
     if (!keyframe)
         return;
 
     CSSStyleSheet::RuleMutationScope mutationScope(this);
@@ skipping 81 matching lines @@
 {
     CSSRule::trace(visitor);
 #if ENABLE(OILPAN)
     visitor->trace(m_childRuleCSSOMWrappers);
 #endif
     visitor->trace(m_keyframesRule);
     visitor->trace(m_ruleListCSSOMWrapper);
 }
 
 } // namespace blink