Do not show deprecation message for ::shadow and /deep/ on querySelector

third_party/WebKit/Source/core/dom/SelectorQuery.cpp

 /*
  * Copyright (C) 2011, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 104 matching lines @@
         m_selectors.uncheckedAppend(selector);
         m_usesDeepCombinatorOrShadowPseudo |= selectorList.selectorUsesDeepCombinatorOrShadowPseudo(index);
         m_needsUpdatedDistribution |= selectorList.selectorNeedsUpdatedDistribution(index);
     }
 }
 
 inline bool SelectorDataList::selectorMatches(const CSSSelector& selector, Element& element, const ContainerNode& rootNode) const
 {
     SelectorChecker::Init init;
     init.mode = SelectorChecker::QueryingRules;
+    init.isQuerySelector = true;
     SelectorChecker checker(init);
     SelectorChecker::SelectorCheckingContext context(&element, SelectorChecker::VisitedMatchDisabled);
     context.selector = &selector;
     context.scope = &rootNode;
     return checker.match(context);
 }
 
 bool SelectorDataList::matches(Element& targetElement) const
 {
     if (m_needsUpdatedDistribution)
         targetElement.updateDistribution();
 
     unsigned selectorCount = m_selectors.size();
     for (unsigned i = 0; i < selectorCount; ++i) {
         if (selectorMatches(*m_selectors[i], targetElement, targetElement))
             return true;
     }
 
     return false;
 }
 
 Element* SelectorDataList::closest(Element& targetElement) const
 {
     unsigned selectorCount = m_selectors.size();
     if (!selectorCount)
         return nullptr;
-
     if (m_needsUpdatedDistribution)
         targetElement.updateDistribution();
 
     for (Element* currentElement = &targetElement; currentElement; currentElement = currentElement->parentElement()) {
         for (unsigned i = 0; i < selectorCount; ++i) {
             if (selectorMatches(*m_selectors[i], *currentElement, targetElement))
                 return currentElement;
         }
     }
     return nullptr;
@@ skipping 408 matching lines @@
 
     return m_entries.add(selectors, SelectorQuery::adopt(std::move(selectorList))).storedValue->value.get();
 }
 
 void SelectorQueryCache::invalidate()
 {
     m_entries.clear();
 }
 
 } // namespace blink