Split compound selector after consume finished.

third_party/WebKit/Source/core/css/parser/CSSParserSelector.cpp

Index: third_party/WebKit/Source/core/css/parser/CSSParserSelector.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSParserSelector.cpp b/third_party/WebKit/Source/core/css/parser/CSSParserSelector.cpp
index d01df94e7f3ca2dd434a5f7dc2ff851ae0b4bb85..bd3cd46722a22898005fa33709a2677d06af7735 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSParserSelector.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSParserSelector.cpp
@@ -80,15 +80,6 @@ bool CSSParserSelector::isSimple() const
     return false;
 }
 
-void CSSParserSelector::insertTagHistory(CSSSelector::Relation before, PassOwnPtr<CSSParserSelector> selector, CSSSelector::Relation after)
-{
-    if (m_tagHistory)
-        selector->setTagHistory(m_tagHistory.release());
-    setRelation(before);
-    selector->setRelation(after);
-    m_tagHistory = selector;
-}
-
 void CSSParserSelector::appendTagHistory(CSSSelector::Relation relation, PassOwnPtr<CSSParserSelector> selector)
 {
     CSSParserSelector* end = this;
@@ -98,6 +89,12 @@ void CSSParserSelector::appendTagHistory(CSSSelector::Relation relation, PassOwn
     end->setTagHistory(selector);
 }
 
+PassOwnPtr<CSSParserSelector> CSSParserSelector::releaseTagHistory()
+{
+    setRelation(CSSSelector::SubSelector);
+    return m_tagHistory.release();
+}
+
 void CSSParserSelector::prependTagSelector(const QualifiedName& tagQName, bool isImplicit)
 {
     OwnPtr<CSSParserSelector> second = CSSParserSelector::create();
@@ -107,13 +104,9 @@ void CSSParserSelector::prependTagSelector(const QualifiedName& tagQName, bool i
     m_selector = adoptPtr(new CSSSelector(tagQName, isImplicit));
 }
 
-bool CSSParserSelector::hasHostPseudoSelector() const
+bool CSSParserSelector::isHostPseudoSelector() const
 {
-    for (CSSParserSelector* selector = const_cast<CSSParserSelector*>(this); selector; selector = selector->tagHistory()) {
-        if (selector->pseudoType() == CSSSelector::PseudoHost || selector->pseudoType() == CSSSelector::PseudoHostContext)
-            return true;
-    }
-    return false;
+    return pseudoType() == CSSSelector::PseudoHost || pseudoType() == CSSSelector::PseudoHostContext;
 }
 
 } // namespace blink