[WIP] Compute the linkMatchType inside the CSSSelectorParser.

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

Index: third_party/WebKit/Source/core/css/parser/CSSSelectorParser.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSSelectorParser.cpp b/third_party/WebKit/Source/core/css/parser/CSSSelectorParser.cpp
index 19174f62d5120ffa90e1905508febe3b17298ca0..22f9c7c67326c1e632012f1eae8dbb45f7884f4c 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSSelectorParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSSelectorParser.cpp
@@ -121,9 +121,10 @@ std::unique_ptr<CSSParserSelector> CSSSelectorParser::ConsumeComplexSelector(
   while (CSSSelector::RelationType combinator = ConsumeCombinator(range)) {
     std::unique_ptr<CSSParserSelector> next_selector =
         ConsumeCompoundSelector(range);
-    if (!next_selector)
+    if (!next_selector) {
       return combinator == CSSSelector::kDescendant ? std::move(selector)
                                                     : nullptr;
+    }
     if (previous_compound_flags & kHasPseudoElementForRightmostCompound)
       return nullptr;
     CSSParserSelector* end = next_selector.get();
@@ -141,6 +142,7 @@ std::unique_ptr<CSSParserSelector> CSSSelectorParser::ConsumeComplexSelector(
     selector = std::move(next_selector);
   }
 
+  selector->UpdateLinkMatchType();
   return selector;
 }