remove memoryinstrumentation

Source/core/css/InspectorCSSOMWrappers.cpp

Index: Source/core/css/InspectorCSSOMWrappers.cpp
diff --git a/Source/core/css/InspectorCSSOMWrappers.cpp b/Source/core/css/InspectorCSSOMWrappers.cpp
index 38ba3231e09a65d838871c5c13e1b2a7c4afc9c0..1beda2d2557ccd36dea8376f27072d3f74a6a3d3 100644
--- a/Source/core/css/InspectorCSSOMWrappers.cpp
+++ b/Source/core/css/InspectorCSSOMWrappers.cpp
@@ -41,9 +41,6 @@
 #include "StyleSheetContents.h"
 #include "WebKitCSSRegionRule.h"
 
-#include <wtf/MemoryInstrumentationHashMap.h>
-#include <wtf/MemoryInstrumentationHashSet.h>
-
 namespace WebCore {
 
 void InspectorCSSOMWrappers::collectFromStyleSheetIfNeeded(CSSStyleSheet* styleSheet)
@@ -126,11 +123,4 @@ CSSStyleRule* InspectorCSSOMWrappers::getWrapperForRuleInSheets(StyleRule* rule,
     return m_styleRuleToCSSOMWrapperMap.get(rule).get();
 }
 
-void InspectorCSSOMWrappers::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(m_styleRuleToCSSOMWrapperMap);
-    info.addMember(m_styleSheetCSSOMWrapperSet);
-}
-
 } // namespace WebCore