remove memoryinstrumentation

Source/core/dom/DocumentOrderedMap.cpp

Index: Source/core/dom/DocumentOrderedMap.cpp
diff --git a/Source/core/dom/DocumentOrderedMap.cpp b/Source/core/dom/DocumentOrderedMap.cpp
index 1517a2efce121943a10a9ba3183261020a6cade6..599e163bc53b07752296a02dcc05f99c6063a04c 100644
--- a/Source/core/dom/DocumentOrderedMap.cpp
+++ b/Source/core/dom/DocumentOrderedMap.cpp
@@ -36,9 +36,6 @@
 #include "HTMLNames.h"
 #include "NodeTraversal.h"
 #include "TreeScope.h"
-#include "WebCoreMemoryInstrumentation.h"
-#include <wtf/MemoryInstrumentationHashCountedSet.h>
-#include <wtf/MemoryInstrumentationHashMap.h>
 
 namespace WebCore {
 
@@ -160,11 +157,4 @@ Element* DocumentOrderedMap::getElementByLabelForAttribute(AtomicStringImpl* key
     return get<keyMatchesLabelForAttribute>(key, scope);
 }
 
-void DocumentOrderedMap::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
-    info.addMember(m_map, "map");
-    info.addMember(m_duplicateCounts, "duplicateCounts");
-}
-
 } // namespace WebCore