remove memoryinstrumentation

Source/core/css/CSSProperty.cpp

Index: Source/core/css/CSSProperty.cpp
diff --git a/Source/core/css/CSSProperty.cpp b/Source/core/css/CSSProperty.cpp
index 25485c3a26a4336789b3bd076f4ffbfaa36083d9..066b236572b87077b191403bedc8d615159b3ef6 100644
--- a/Source/core/css/CSSProperty.cpp
+++ b/Source/core/css/CSSProperty.cpp
@@ -24,7 +24,6 @@
 #include "CSSValueList.h"
 #include "RenderStyleConstants.h"
 #include "StylePropertyShorthand.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include "CSSVariableValue.h"
 
 #include <wtf/text/StringBuilder.h>
@@ -697,11 +696,4 @@ bool CSSProperty::isInheritedProperty(CSSPropertyID propertyID)
     return false;
 }
 
-void CSSProperty::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(m_value, "value");
-    info.ignoreMember(m_metadata);
-}
-
 } // namespace WebCore