remove memoryinstrumentation

Source/core/rendering/RenderListMarker.cpp

Index: Source/core/rendering/RenderListMarker.cpp
diff --git a/Source/core/rendering/RenderListMarker.cpp b/Source/core/rendering/RenderListMarker.cpp
index dbc0450e63697ec1eeef6ea4f329f6ff6a2884d2..c18dfb02be9eee989524dc659dbae824a2df8ffc 100644
--- a/Source/core/rendering/RenderListMarker.cpp
+++ b/Source/core/rendering/RenderListMarker.cpp
@@ -32,7 +32,6 @@
 #include "RenderLayer.h"
 #include "RenderListItem.h"
 #include "RenderView.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include <wtf/text/StringBuilder.h>
 #include <wtf/unicode/CharacterNames.h>
 
@@ -1837,13 +1836,4 @@ LayoutRect RenderListMarker::selectionRectForRepaint(const RenderLayerModelObjec
     return rect;
 }
 
-void RenderListMarker::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Rendering);
-    RenderBox::reportMemoryUsage(memoryObjectInfo);
-    info.addMember(m_text, "text");
-    info.addMember(m_image, "image");
-    info.addMember(m_listItem, "listItem");
-}
-
 } // namespace WebCore