Rename ^ and ^^ combinator to /shadow-all/ and /shadow-deep/.

Source/core/css/SelectorChecker.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, 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 272 matching lines @@
         nextContext.isSubSelector = false;
         nextContext.elementStyle = 0;
         for (; nextContext.element; nextContext.element = ElementTraversal::previousSibling(*nextContext.element)) {
             Match match = this->match(nextContext, siblingTraversalStrategy, result);
             if (match == SelectorMatches || match == SelectorFailsAllSiblings || match == SelectorFailsCompletely)
                 return match;
         };
         return SelectorFailsAllSiblings;
 
     case CSSSelector::ShadowPseudo:
-    case CSSSelector::ChildTree:
+    case CSSSelector::ShadowAll:
         {
             // If we're in the same tree-scope as the scoping element, then following a shadow descendant combinator would escape that and thus the scope.
             if (context.scope && context.scope->treeScope() == context.element->treeScope() && (context.behaviorAtBoundary & BoundaryBehaviorMask) != StaysWithinTreeScope)
                 return SelectorFailsCompletely;
 
             Element* shadowHost = context.element->shadowHost();
             if (!shadowHost)
                 return SelectorFailsCompletely;
             nextContext.element = shadowHost;
             nextContext.isSubSelector = false;
             nextContext.elementStyle = 0;
             return this->match(nextContext, siblingTraversalStrategy, result);
         }
 
-    case CSSSelector::DescendantTree:
+    case CSSSelector::ShadowDeep:
         {
             nextContext.isSubSelector = false;
             nextContext.elementStyle = 0;
             for (nextContext.element = parentElement(context, true); nextContext.element; nextContext.element = parentElement(nextContext, true)) {
                 Match match = this->match(nextContext, siblingTraversalStrategy, result);
                 if (match == SelectorMatches || match == SelectorFailsCompletely)
                     return match;
                 if (nextSelectorExceedsScope(nextContext))
                     return SelectorFailsCompletely;
             }
@@ skipping 763 matching lines @@
     return element.focused() && isFrameFocused(element);
 }
 
 template
 SelectorChecker::Match SelectorChecker::match(const SelectorCheckingContext&, const DOMSiblingTraversalStrategy&, MatchResult*) const;
 
 template
 SelectorChecker::Match SelectorChecker::match(const SelectorCheckingContext&, const ShadowDOMSiblingTraversalStrategy&, MatchResult*) const;
 
 }