Merge 76828

Source/WebCore/css/CSSRuleList.cpp

 /**
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2005, 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "CSSRuleList.h"
 
+#include "CSSMutableStyleDeclaration.h"
 #include "CSSRule.h"
 #include "StyleList.h"
+#include "WebKitCSSKeyframeRule.h"
 
 namespace WebCore {
 
 CSSRuleList::CSSRuleList()
 {
 }
 
 CSSRuleList::CSSRuleList(StyleList* list, bool omitCharsetRules)
 {
     m_list = list;
@@ skipping 32 matching lines @@
 
 void CSSRuleList::deleteRule(unsigned index)
 {
     ASSERT(!m_list);
 
     if (index >= m_lstCSSRules.size()) {
         // FIXME: Should we throw an INDEX_SIZE_ERR exception here?
         return;
     }
 
+    if (m_lstCSSRules[index]->isKeyframeRule()) {
+        if (CSSMutableStyleDeclaration* style = static_cast<WebKitCSSKeyframeRule*>(m_lstCSSRules[index].get())->style())
+            style->setParent(0);
+    }
+
     m_lstCSSRules[index]->setParent(0);
     m_lstCSSRules.remove(index);
 }
 
 void CSSRuleList::append(CSSRule* rule)
 {
     ASSERT(!m_list);
     if (!rule) {
         // FIXME: Should we throw an exception?
         return;
@@ skipping 13 matching lines @@
     if (index > m_lstCSSRules.size()) {
         // FIXME: Should we throw an INDEX_SIZE_ERR exception here?
         return 0;
     }
 
     m_lstCSSRules.insert(index, rule);
     return index;
 }
 
 } // namespace WebCore