Revert of Deprecate 'intrinsic' and 'min-intrinsic' CSS keywords

Source/core/css/CSSStyleSheet.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * 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,
@@ skipping 271 matching lines @@
 }
 
 unsigned CSSStyleSheet::insertRule(const String& ruleString, unsigned index, ExceptionState& exceptionState)
 {
     ASSERT(m_childRuleCSSOMWrappers.isEmpty() || m_childRuleCSSOMWrappers.size() == m_contents->ruleCount());
 
     if (index > length()) {
         exceptionState.throwDOMException(IndexSizeError, "The index provided (" + String::number(index) + ") is larger than the maximum index (" + String::number(length()) + ").");
         return 0;
     }
-    Document* ownerDoc = ownerDocument();
-    CSSParserContext context(m_contents->parserContext(), ownerDoc ? ownerDoc->frame() : 0, UseCounter::getFrom(this));
+    CSSParserContext context(m_contents->parserContext(), UseCounter::getFrom(this));
     RefPtrWillBeRawPtr<StyleRuleBase> rule = CSSParser::parseRule(context, m_contents.get(), ruleString);
 
     // FIXME: @namespace rules have special handling in the CSSOM spec, but it
     // mostly doesn't make sense since we don't support CSSNamespaceRule
     if (!rule || rule->isNamespaceRule()) {
         exceptionState.throwDOMException(SyntaxError, "Failed to parse the rule '" + ruleString + "'.");
         return 0;
     }
     RuleMutationScope mutationScope(this);
 
@@ skipping 143 matching lines @@
     visitor->trace(m_mediaQueries);
     visitor->trace(m_ownerNode);
     visitor->trace(m_ownerRule);
     visitor->trace(m_mediaCSSOMWrapper);
     visitor->trace(m_childRuleCSSOMWrappers);
     visitor->trace(m_ruleListCSSOMWrapper);
     StyleSheet::trace(visitor);
 }
 
 } // namespace blink