InlinedVisitor: Migrate css to use inlined tracing

Source/core/css/ElementRuleCollector.h

Index: Source/core/css/ElementRuleCollector.h
diff --git a/Source/core/css/ElementRuleCollector.h b/Source/core/css/ElementRuleCollector.h
index db21c4b7f6303f199e2a2e573a2b085359f2c7b6..c3199498ee862bf907f53535f575f19c9f9be320 100644
--- a/Source/core/css/ElementRuleCollector.h
+++ b/Source/core/css/ElementRuleCollector.h
@@ -61,7 +61,7 @@ public:
     uint64_t position() const { return m_position; }
     unsigned specificity() const { return ruleData()->specificity() + m_specificity; }
     const CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
-    void trace(Visitor* visitor)
+    DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_parentStyleSheet);
     }
@@ -88,7 +88,7 @@ class StyleRuleList final : public RefCountedWillBeGarbageCollected<StyleRuleLis
 public:
     static PassRefPtrWillBeRawPtr<StyleRuleList> create() { return adoptRefWillBeNoop(new StyleRuleList()); }
 
-    void trace(Visitor* visitor)
+    DEFINE_INLINE_TRACE()
     {
 #if ENABLE(OILPAN)
         visitor->trace(m_list);