remove memoryinstrumentation

Source/core/css/CSSBorderImageSliceValue.cpp

Index: Source/core/css/CSSBorderImageSliceValue.cpp
diff --git a/Source/core/css/CSSBorderImageSliceValue.cpp b/Source/core/css/CSSBorderImageSliceValue.cpp
index 93513b8e34f528b7b4eadef5923db2dc8c2a1f8a..c068e58bbd1f7fdc0730a3fc6f67868d60f9c5a7 100644
--- a/Source/core/css/CSSBorderImageSliceValue.cpp
+++ b/Source/core/css/CSSBorderImageSliceValue.cpp
@@ -27,7 +27,6 @@
 #include "CSSBorderImageSliceValue.h"
 
 #include "Rect.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include <wtf/text/WTFString.h>
 
 namespace WebCore {
@@ -55,10 +54,4 @@ bool CSSBorderImageSliceValue::equals(const CSSBorderImageSliceValue& other) con
     return m_fill == other.m_fill && compareCSSValuePtr(m_slices, other.m_slices);
 }
 
-void CSSBorderImageSliceValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(m_slices, "slices");
-}
-
 } // namespace WebCore