remove memoryinstrumentation

Source/core/rendering/RenderLayerModelObject.cpp

Index: Source/core/rendering/RenderLayerModelObject.cpp
diff --git a/Source/core/rendering/RenderLayerModelObject.cpp b/Source/core/rendering/RenderLayerModelObject.cpp
index 0a43eb6eefc9e119eda5042ba492c7858c3e65e7..c3d3337cd09f9e49e574a5e0b7f490599d9010ce 100644
--- a/Source/core/rendering/RenderLayerModelObject.cpp
+++ b/Source/core/rendering/RenderLayerModelObject.cpp
@@ -27,7 +27,6 @@
 
 #include "RenderLayer.h"
 #include "RenderView.h"
-#include "WebCoreMemoryInstrumentation.h"
 
 using namespace std;
 
@@ -183,12 +182,5 @@ void RenderLayerModelObject::styleDidChange(StyleDifference diff, const RenderSt
     }
 }
 
-void RenderLayerModelObject::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Rendering);
-    RenderObject::reportMemoryUsage(memoryObjectInfo);
-    info.addWeakPointer(m_layer);
-}
-
 } // namespace WebCore