Use more appropriate symbol names for "shadow distributed"

third_party/WebKit/Source/core/css/RuleSet.h

Index: third_party/WebKit/Source/core/css/RuleSet.h
diff --git a/third_party/WebKit/Source/core/css/RuleSet.h b/third_party/WebKit/Source/core/css/RuleSet.h
index 26fbc2611e054c303b70fab5ab22e3f6ca7f41fb..12dd72a7629cb27211626e8eb5e9d1d909bebf87 100644
--- a/third_party/WebKit/Source/core/css/RuleSet.h
+++ b/third_party/WebKit/Source/core/css/RuleSet.h
@@ -145,8 +145,8 @@ public:
     const WillBeHeapVector<RawPtrWillBeMember<StyleRuleFontFace>>& fontFaceRules() const { return m_fontFaceRules; }
     const WillBeHeapVector<RawPtrWillBeMember<StyleRuleKeyframes>>& keyframesRules() const { return m_keyframesRules; }
     const WillBeHeapVector<MinimalRuleData>& deepCombinatorOrShadowPseudoRules() const { return m_deepCombinatorOrShadowPseudoRules; }
-    const WillBeHeapVector<MinimalRuleData>& shadowDistributedRules() const { return m_shadowDistributedRules; }
-    const WillBeHeapVector<MinimalRuleData>& shadowSlottedRules() const { return m_shadowSlottedRules; }
+    const WillBeHeapVector<MinimalRuleData>& contentPseudoElementRules() const { return m_contentPseudoElementRules; }
+    const WillBeHeapVector<MinimalRuleData>& slottedPseudoElementRules() const { return m_slottedPseudoElementRules; }
     const MediaQueryResultList& viewportDependentMediaQueryResults() const { return m_viewportDependentMediaQueryResults; }
     const MediaQueryResultList& deviceDependentMediaQueryResults() const { return m_deviceDependentMediaQueryResults; }
 
@@ -223,8 +223,8 @@ private:
     WillBeHeapVector<RawPtrWillBeMember<StyleRuleFontFace>> m_fontFaceRules;
     WillBeHeapVector<RawPtrWillBeMember<StyleRuleKeyframes>> m_keyframesRules;
     WillBeHeapVector<MinimalRuleData> m_deepCombinatorOrShadowPseudoRules;
-    WillBeHeapVector<MinimalRuleData> m_shadowDistributedRules;
-    WillBeHeapVector<MinimalRuleData> m_shadowSlottedRules;
+    WillBeHeapVector<MinimalRuleData> m_contentPseudoElementRules;
+    WillBeHeapVector<MinimalRuleData> m_slottedPseudoElementRules;
 
     MediaQueryResultList m_viewportDependentMediaQueryResults;
     MediaQueryResultList m_deviceDependentMediaQueryResults;