remove memoryinstrumentation

Source/core/css/StyleScopeResolver.cpp

Index: Source/core/css/StyleScopeResolver.cpp
diff --git a/Source/core/css/StyleScopeResolver.cpp b/Source/core/css/StyleScopeResolver.cpp
index 5b7e47af6dfdf813485401078934bb9e0829c30c..90b7aedffcb9ff8cbb3b7cb51c8f28378d5b65c2 100644
--- a/Source/core/css/StyleScopeResolver.cpp
+++ b/Source/core/css/StyleScopeResolver.cpp
@@ -37,10 +37,6 @@
 #include "RuleFeature.h"
 #include "RuleSet.h"
 #include "ShadowRoot.h"
-#include "WebCoreMemoryInstrumentation.h"
-#include <wtf/MemoryInstrumentationHashMap.h>
-#include <wtf/MemoryInstrumentationHashSet.h>
-#include <wtf/MemoryInstrumentationVector.h>
 
 namespace WebCore {
 
@@ -236,14 +232,5 @@ void StyleScopeResolver::matchHostRules(const Element* element, Vector<RuleSet*>
     }
 }
 
-void StyleScopeResolver::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(m_authorStyles, "authorStyles");
-    info.addMember(m_stack, "stack");
-    info.addMember(m_atHostRules, "atHostRules");
-    info.addMember(m_stackParent, "stackParent");
-}
-
 }