Revert of Make /deep/ as no-op and remove ::shadow in dynamic profile

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

 /*
  * 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 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/)
@@ skipping 159 matching lines @@
         break;
       case CSSSelector::kDirectAdjacent:
       case CSSSelector::kIndirectAdjacent:
         skip_over_subselectors = true;
         break;
       case CSSSelector::kShadowSlot:
         // Disable fastRejectSelector.
         *identifier_hashes = 0;
         return;
       case CSSSelector::kDescendant:
-      case CSSSelector::kShadowDeepAsDescendant:
       case CSSSelector::kChild:
       // Fall through.
       case CSSSelector::kShadowPseudo:
       case CSSSelector::kShadowDeep:
       case CSSSelector::kShadowPiercingDescendant:
         skip_over_subselectors = false;
         CollectDescendantSelectorIdentifierHashes(*current, hash);
         break;
     }
     if (hash == end)
@@ skipping 10 matching lines @@
 
 DEFINE_TRACE(SelectorFilter::ParentStackFrame) {
   visitor->Trace(element);
 }
 
 DEFINE_TRACE(SelectorFilter) {
   visitor->Trace(parent_stack_);
 }
 
 }  // namespace blink