Use SubSelector as relation on left-most selector

Source/core/css/parser/BisonCSSParser-in.cpp

Index: Source/core/css/parser/BisonCSSParser-in.cpp
diff --git a/Source/core/css/parser/BisonCSSParser-in.cpp b/Source/core/css/parser/BisonCSSParser-in.cpp
index 51b08bb98ff85e93d4dc7a52ebfbc9a540c5ba83..8d561e05e0229d2e56f0d9ff493eec6011612244 100644
--- a/Source/core/css/parser/BisonCSSParser-in.cpp
+++ b/Source/core/css/parser/BisonCSSParser-in.cpp
@@ -965,7 +965,6 @@ CSSParserSelector* BisonCSSParser::rewriteSpecifiersWithElementNameForContentPse
     // We therefore create a new Selector with that combinator here in any case, even if matching any (host) element in any namespace (i.e. '*').
     OwnPtr<CSSParserSelector> elementNameSelector = adoptPtr(new CSSParserSelector(tag));
     last->setTagHistory(elementNameSelector.release());
-    last->setRelation(CSSSelector::SubSelector);
     return specifiers;
 }