No pseudo elements in SelectorChecker::Mode QueryingRules.

third_party/WebKit/Source/core/css/SelectorChecker.cpp

Index: third_party/WebKit/Source/core/css/SelectorChecker.cpp
diff --git a/third_party/WebKit/Source/core/css/SelectorChecker.cpp b/third_party/WebKit/Source/core/css/SelectorChecker.cpp
index bf2ba92305e3eab9f58fbd1d6c6458405034ba63..8d1af412283c04a8c363c51b3ad208eb9f18bbda 100644
--- a/third_party/WebKit/Source/core/css/SelectorChecker.cpp
+++ b/third_party/WebKit/Source/core/css/SelectorChecker.cpp
@@ -1066,17 +1066,13 @@ bool SelectorChecker::checkPseudoElement(const SelectorCheckingContext& context,
     case CSSSelector::PseudoShadow:
         return element.isInShadowTree() && context.previousElement;
     default:
-        break;
-    }
-
-    if (m_mode == QueryingRules)
-        return false;
-    if (m_mode == SharingRules)
+        if (m_mode == SharingRules)
+            return true;
+        ASSERT(m_mode != QueryingRules);
+        result.dynamicPseudo = CSSSelector::pseudoId(selector.pseudoType());
+        ASSERT(result.dynamicPseudo != NOPSEUDO);
         return true;
-
-    result.dynamicPseudo = CSSSelector::pseudoId(selector.pseudoType());
-    ASSERT(result.dynamicPseudo != NOPSEUDO);
-    return true;
+    }
 }
 
 bool SelectorChecker::checkPseudoHost(const SelectorCheckingContext& context, MatchResult& result) const