remove memoryinstrumentation

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index b15e76a803253402ed388f79d5c4ba439e798c8d..77471167d12dfb53ad4caa67dd762fd7d5b0e763 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -73,7 +73,6 @@
 #include "Settings.h"
 #include "StyleResolver.h"
 #include "TransformState.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include "htmlediting.h"
 #include <algorithm>
 #include <stdio.h>
@@ -3075,18 +3074,6 @@ bool RenderObject::canBeReplacedWithInlineRunIn() const
     return true;
 }
 
-void RenderObject::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Rendering);
-    info.addMember(m_style, "style");
-    info.addWeakPointer(m_node);
-    info.addWeakPointer(m_parent);
-    info.addWeakPointer(m_previous);
-    info.addWeakPointer(m_next);
-
-    info.setCustomAllocation(true);
-}
-
 #if ENABLE(SVG)
 
 RenderSVGResourceContainer* RenderObject::toRenderSVGResourceContainer()