Refactor ElementShadow by separating v0 related features as ElementShadowV0

third_party/WebKit/Source/core/html/HTMLContentElement.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/html/HTMLContentElement.h"
 
 #include "core/HTMLNames.h"
 #include "core/css/SelectorChecker.h"
 #include "core/css/parser/CSSParser.h"
 #include "core/dom/QualifiedName.h"
 #include "core/dom/shadow/ElementShadow.h"
+#include "core/dom/shadow/ElementShadowV0.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 HTMLContentElement* HTMLContentElement::create(Document& document, HTMLContentSelectFilter* filter)
 {
     return new HTMLContentElement(document, filter);
@@ skipping 26 matching lines @@
     m_isValidSelector = validateSelect();
     if (!m_isValidSelector)
         m_selectorList = CSSSelectorList();
 }
 
 void HTMLContentElement::parseAttribute(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& value)
 {
     if (name == selectAttr) {
         if (ShadowRoot* root = containingShadowRoot()) {
             if (!root->isV1() && root->owner())
-                root->owner()->willAffectSelector();
+                root->owner()->v0().willAffectSelector();
         }
         m_shouldParseSelect = true;
         m_select = value;
     } else {
         InsertionPoint::parseAttribute(name, oldValue, value);
     }
 }
 
 static inline bool includesDisallowedPseudoClass(const CSSSelector& selector)
 {
@@ skipping 36 matching lines @@
     SelectorChecker::SelectorCheckingContext context(&element, SelectorChecker::VisitedMatchDisabled);
     for (const CSSSelector* selector = selectorList().first(); selector; selector = CSSSelectorList::next(*selector)) {
         context.selector = selector;
         if (checker.match(context))
             return true;
     }
     return false;
 }
 
 } // namespace blink