Pass around CSSSelector by reference instead of pointer

Source/core/html/shadow/HTMLContentElement.cpp

Index: Source/core/html/shadow/HTMLContentElement.cpp
diff --git a/Source/core/html/shadow/HTMLContentElement.cpp b/Source/core/html/shadow/HTMLContentElement.cpp
index df21ad5df56908058a3204fba97f41b45261fbfc..78bef2994b26d758023a8bf04206815e96820128 100644
--- a/Source/core/html/shadow/HTMLContentElement.cpp
+++ b/Source/core/html/shadow/HTMLContentElement.cpp
@@ -91,7 +91,7 @@ bool HTMLContentElement::validateSelect() const
     if (!m_selectorList.isValid())
         return false;
 
-    for (const CSSSelector* selector = m_selectorList.first(); selector; selector = m_selectorList.next(selector)) {
+    for (const CSSSelector* selector = m_selectorList.first(); selector; selector = m_selectorList.next(*selector)) {
         if (!selector->isCompound())
             return false;
     }
@@ -99,7 +99,7 @@ bool HTMLContentElement::validateSelect() const
     return true;
 }
 
-static inline bool checkOneSelector(const CSSSelector* selector, const Vector<Node*, 32>& siblings, int nth)
+static inline bool checkOneSelector(const CSSSelector& selector, const Vector<Node*, 32>& siblings, int nth)
 {
     Element* element = toElement(siblings[nth]);
     SelectorChecker selectorChecker(element->document(), SelectorChecker::CollectingCSSRules);
@@ -110,8 +110,8 @@ static inline bool checkOneSelector(const CSSSelector* selector, const Vector<No
 
 bool HTMLContentElement::matchSelector(const Vector<Node*, 32>& siblings, int nth) const
 {
-    for (const CSSSelector* selector = selectorList().first(); selector; selector = CSSSelectorList::next(selector)) {
-        if (checkOneSelector(selector, siblings, nth))
+    for (const CSSSelector* selector = selectorList().first(); selector; selector = CSSSelectorList::next(*selector)) {
+        if (checkOneSelector(*selector, siblings, nth))
             return true;
     }
     return false;