remove memoryinstrumentation

Source/core/css/RuleFeature.cpp

Index: Source/core/css/RuleFeature.cpp
diff --git a/Source/core/css/RuleFeature.cpp b/Source/core/css/RuleFeature.cpp
index 873f481a5cf1e55085065c1b943f2cd4a618e1ee..d03b0743fb0206ec864addbbdc9e74b73b5106e0 100644
--- a/Source/core/css/RuleFeature.cpp
+++ b/Source/core/css/RuleFeature.cpp
@@ -30,10 +30,6 @@
 #include "RuleFeature.h"
 
 #include "CSSSelector.h"
-#include "WebCoreMemoryInstrumentation.h"
-#include <wtf/MemoryInstrumentationHashMap.h>
-#include <wtf/MemoryInstrumentationHashSet.h>
-#include <wtf/MemoryInstrumentationVector.h>
 
 namespace WebCore {
 
@@ -86,14 +82,4 @@ void RuleFeatureSet::clear()
     usesBeforeAfterRules = false;
 }
 
-void RuleFeatureSet::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(idsInRules, "idsInRules");
-    info.addMember(classesInRules, "classesInRules");
-    info.addMember(attrsInRules, "attrsInRules");
-    info.addMember(siblingRules, "siblingRules");
-    info.addMember(uncommonAttributeRules, "uncommonAttributeRules");
-}
-
 } // namespace WebCore