Use more appropriate symbol names for "shadow distributed"

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

Index: third_party/WebKit/Source/core/css/RuleSet.cpp
diff --git a/third_party/WebKit/Source/core/css/RuleSet.cpp b/third_party/WebKit/Source/core/css/RuleSet.cpp
index bc735aa64c17e9154a58c9de90ac2073e92fa9d2..42962a163bd9683a5086e89d1dfbedfc6b8382d0 100644
--- a/third_party/WebKit/Source/core/css/RuleSet.cpp
+++ b/third_party/WebKit/Source/core/css/RuleSet.cpp
@@ -261,9 +261,9 @@ void RuleSet::addChildRules(const WillBeHeapVector<RefPtrWillBeMember<StyleRuleB
                 if (selectorList.selectorUsesDeepCombinatorOrShadowPseudo(selectorIndex)) {
                     m_deepCombinatorOrShadowPseudoRules.append(MinimalRuleData(styleRule, selectorIndex, addRuleFlags));
                 } else if (selectorList.selectorHasContentPseudo(selectorIndex)) {
-                    m_shadowDistributedRules.append(MinimalRuleData(styleRule, selectorIndex, addRuleFlags));
+                    m_contentPseudoElementRules.append(MinimalRuleData(styleRule, selectorIndex, addRuleFlags));
                 } else if (selectorList.selectorHasSlottedPseudo(selectorIndex)) {
-                    m_shadowSlottedRules.append(MinimalRuleData(styleRule, selectorIndex, addRuleFlags));
+                    m_slottedPseudoElementRules.append(MinimalRuleData(styleRule, selectorIndex, addRuleFlags));
                 } else {
                     addRule(styleRule, selectorIndex, addRuleFlags);
                 }
@@ -343,8 +343,8 @@ void RuleSet::compactRules()
     m_fontFaceRules.shrinkToFit();
     m_keyframesRules.shrinkToFit();
     m_deepCombinatorOrShadowPseudoRules.shrinkToFit();
-    m_shadowDistributedRules.shrinkToFit();
-    m_shadowSlottedRules.shrinkToFit();
+    m_contentPseudoElementRules.shrinkToFit();
+    m_slottedPseudoElementRules.shrinkToFit();
 }
 
 DEFINE_TRACE(MinimalRuleData)
@@ -385,8 +385,8 @@ DEFINE_TRACE(RuleSet)
     visitor->trace(m_fontFaceRules);
     visitor->trace(m_keyframesRules);
     visitor->trace(m_deepCombinatorOrShadowPseudoRules);
-    visitor->trace(m_shadowDistributedRules);
-    visitor->trace(m_shadowSlottedRules);
+    visitor->trace(m_contentPseudoElementRules);
+    visitor->trace(m_slottedPseudoElementRules);
     visitor->trace(m_viewportDependentMediaQueryResults);
     visitor->trace(m_deviceDependentMediaQueryResults);
     visitor->trace(m_pendingRules);