remove memoryinstrumentation

Source/core/rendering/RenderLayerBacking.cpp

Index: Source/core/rendering/RenderLayerBacking.cpp
diff --git a/Source/core/rendering/RenderLayerBacking.cpp b/Source/core/rendering/RenderLayerBacking.cpp
index 9b93e04d97f9b1b41cd6e176335c4474c94cd4d9..ed240e294a99c21255388bdc346a49d25f86a321 100644
--- a/Source/core/rendering/RenderLayerBacking.cpp
+++ b/Source/core/rendering/RenderLayerBacking.cpp
@@ -53,7 +53,6 @@
 #include "ScrollingCoordinator.h"
 #include "Settings.h"
 #include "StyleResolver.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include <wtf/CurrentTime.h>
 #include <wtf/text/StringBuilder.h>
 
@@ -1976,22 +1975,4 @@ double RenderLayerBacking::backingStoreMemoryEstimate() const
     return backingMemory;
 }
 
-void RenderLayerBacking::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Rendering);
-    info.addWeakPointer(m_owningLayer);
-    info.addMember(m_ancestorClippingLayer, "ancestorClippingLayer");
-    info.addMember(m_contentsContainmentLayer, "contentsContainmentLayer");
-    info.addMember(m_graphicsLayer, "graphicsLayer");
-    info.addMember(m_foregroundLayer, "foregroundLayer");
-    info.addMember(m_backgroundLayer, "backgroundLayer");
-    info.addMember(m_childContainmentLayer, "childContainmentLayer");
-    info.addMember(m_maskLayer, "maskLayer");
-    info.addMember(m_layerForHorizontalScrollbar, "layerForHorizontalScrollbar");
-    info.addMember(m_layerForVerticalScrollbar, "layerForVerticalScrollbar");
-    info.addMember(m_layerForScrollCorner, "layerForScrollCorner");
-    info.addMember(m_scrollingLayer, "scrollingLayer");
-    info.addMember(m_scrollingContentsLayer, "scrollingContentsLayer");
-}
-
 } // namespace WebCore