remove memoryinstrumentation

Source/core/platform/graphics/GraphicsLayer.cpp

Index: Source/core/platform/graphics/GraphicsLayer.cpp
diff --git a/Source/core/platform/graphics/GraphicsLayer.cpp b/Source/core/platform/graphics/GraphicsLayer.cpp
index 265af388446d4fd130db072a82f02304d617c5f3..4338ca53bc9a364d95fd1562264be94475fdfbd3 100644
--- a/Source/core/platform/graphics/GraphicsLayer.cpp
+++ b/Source/core/platform/graphics/GraphicsLayer.cpp
@@ -31,11 +31,9 @@
 #include "FloatRect.h"
 #include "GraphicsContext.h"
 #include "LayoutRect.h"
-#include "PlatformMemoryInstrumentation.h"
 #include "RotateTransformOperation.h"
 #include "TextStream.h"
 #include <wtf/HashMap.h>
-#include <wtf/MemoryInstrumentationVector.h>
 #include <wtf/text/CString.h>
 #include <wtf/text/StringBuilder.h>
 #include <wtf/text/WTFString.h>
@@ -737,18 +735,6 @@ String GraphicsLayer::layerTreeAsText(LayerTreeAsTextBehavior behavior) const
     return ts.release();
 }
 
-void GraphicsLayer::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Layers);
-    info.addMember(m_children, "children");
-    info.addMember(m_parent, "parent");
-    info.addMember(m_maskLayer, "maskLayer");
-    info.addMember(m_replicaLayer, "replicaLayer");
-    info.addMember(m_replicatedLayer, "replicatedLayer");
-    info.ignoreMember(m_client);
-    info.addMember(m_name, "name");
-}
-
 } // namespace WebCore
 
 #ifndef NDEBUG