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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 34 matching lines @@
     STACK_ALLOCATED();
 public:
     enum VisitedMatchType { VisitedMatchDisabled, VisitedMatchEnabled };
     enum Mode { ResolvingStyle, CollectingStyleRules, CollectingCSSRules, QueryingRules, SharingRules };
 
     struct Init {
         STACK_ALLOCATED();
     public:
         Mode mode = ResolvingStyle;
         bool isUARule = false;
+        bool isQuerySelector = false;
         ComputedStyle* elementStyle = nullptr;
         RawPtrWillBeMember<LayoutScrollbar> scrollbar = nullptr;
         ScrollbarPart scrollbarPart = NoPart;
     };
 
     explicit SelectorChecker(const Init& init)
         : m_mode(init.mode)
         , m_isUARule(init.isUARule)
+        , m_isQuerySelector(init.isQuerySelector)
         , m_elementStyle(init.elementStyle)
         , m_scrollbar(init.scrollbar)
         , m_scrollbarPart(init.scrollbarPart)
     {
     }
 
     struct SelectorCheckingContext {
         STACK_ALLOCATED();
     public:
         // Initial selector constructor
@@ skipping 60 matching lines @@
     Match matchForPseudoContent(const SelectorCheckingContext&, const Element&, MatchResult&) const;
     Match matchForPseudoShadow(const SelectorCheckingContext&, const ContainerNode*, MatchResult&) const;
     bool checkPseudoClass(const SelectorCheckingContext&, MatchResult&) const;
     bool checkPseudoElement(const SelectorCheckingContext&, MatchResult&) const;
     bool checkScrollbarPseudoClass(const SelectorCheckingContext&, MatchResult&) const;
     bool checkPseudoHost(const SelectorCheckingContext&, MatchResult&) const;
     bool checkPseudoNot(const SelectorCheckingContext&, MatchResult&) const;
 
     Mode m_mode;
     bool m_isUARule;
+    bool m_isQuerySelector;
     ComputedStyle* m_elementStyle;
     RawPtrWillBeMember<LayoutScrollbar> m_scrollbar;
     ScrollbarPart m_scrollbarPart;
 };
 
 } // namespace blink
 
 #endif