remove memoryinstrumentation

Source/core/css/ShadowValue.cpp

Index: Source/core/css/ShadowValue.cpp
diff --git a/Source/core/css/ShadowValue.cpp b/Source/core/css/ShadowValue.cpp
index 0e15e325ccdcd01831d5a8b221f1ffda1a3aa3c3..0d314be5677e341de2abca3eeb35c18078d75f42 100644
--- a/Source/core/css/ShadowValue.cpp
+++ b/Source/core/css/ShadowValue.cpp
@@ -21,7 +21,6 @@
 #include "ShadowValue.h"
 
 #include "CSSPrimitiveValue.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include <wtf/text/StringBuilder.h>
 #include <wtf/text/WTFString.h>
 
@@ -89,15 +88,4 @@ bool ShadowValue::equals(const ShadowValue& other) const
         && compareCSSValuePtr(style, other.style);
 }
 
-void ShadowValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(x, "x");
-    info.addMember(y, "y");
-    info.addMember(blur, "blur");
-    info.addMember(spread, "spread");
-    info.addMember(style, "style");
-    info.addMember(color, "color");
-}
-
 }