remove memoryinstrumentation

Source/core/dom/ElementRareData.cpp

Index: Source/core/dom/ElementRareData.cpp
diff --git a/Source/core/dom/ElementRareData.cpp b/Source/core/dom/ElementRareData.cpp
index 48c9a04184ca7d845d842f6f0551a77242e2d241..bc8247850b09726c7d08d494872e09097d73a8b8 100644
--- a/Source/core/dom/ElementRareData.cpp
+++ b/Source/core/dom/ElementRareData.cpp
@@ -32,7 +32,6 @@
 #include "ElementRareData.h"
 
 #include "RenderStyle.h"
-#include "WebCoreMemoryInstrumentation.h"
 
 namespace WebCore {
 
@@ -46,18 +45,4 @@ struct SameSizeAsElementRareData : NodeRareData {
 
 COMPILE_ASSERT(sizeof(ElementRareData) == sizeof(SameSizeAsElementRareData), ElementRareDataShouldStaySmall);
 
-void ElementRareData::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
-    NodeRareData::reportMemoryUsage(memoryObjectInfo);
-
-    info.addMember(m_computedStyle, "computedStyle");
-    info.addMember(m_dataset, "dataset");
-    info.addMember(m_classList, "classList");
-    info.addMember(m_shadow, "shadow");
-    info.addMember(m_attributeMap, "attributeMap");
-    info.addMember(m_generatedBefore, "generatedBefore");
-    info.addMember(m_generatedAfter, "generatedAfter");
-}
-
 } // namespace WebCore