remove memoryinstrumentation

Source/core/css/CSSCursorImageValue.cpp

Index: Source/core/css/CSSCursorImageValue.cpp
diff --git a/Source/core/css/CSSCursorImageValue.cpp b/Source/core/css/CSSCursorImageValue.cpp
index b73b1817b8f8463466d51f5434552b2251026b01..eeaa2ba94c8d79ebc3e008e1a4729e8c99bb25ad 100644
--- a/Source/core/css/CSSCursorImageValue.cpp
+++ b/Source/core/css/CSSCursorImageValue.cpp
@@ -29,10 +29,9 @@
 #include "StyleImage.h"
 #include "StylePendingImage.h"
 #include "TreeScope.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include <wtf/MathExtras.h>
-#include <wtf/MemoryInstrumentationHashSet.h>
 #include <wtf/UnusedParam.h>
+#include <wtf/text/StringBuilder.h>
 #include <wtf/text/WTFString.h>
 
 #if ENABLE(SVG)
@@ -223,14 +222,4 @@ bool CSSCursorImageValue::equals(const CSSCursorImageValue& other) const
         && compareCSSValuePtr(m_imageValue, other.m_imageValue);
 }
 
-void CSSCursorImageValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    m_imageValue->reportMemoryUsage(memoryObjectInfo);
-    // No need to report m_image as it is counted as part of RenderArena.
-#if ENABLE(SVG)
-    info.addMember(m_referencedElements, "referencedElements");
-#endif
-}
-
 } // namespace WebCore