remove memoryinstrumentation

Source/core/css/CSSFunctionValue.cpp

Index: Source/core/css/CSSFunctionValue.cpp
diff --git a/Source/core/css/CSSFunctionValue.cpp b/Source/core/css/CSSFunctionValue.cpp
index 832c3ead5e9afd1408d48e0854b1c7114f85d82a..d363cf10db0eb3904274636230315649cb419667 100644
--- a/Source/core/css/CSSFunctionValue.cpp
+++ b/Source/core/css/CSSFunctionValue.cpp
@@ -28,7 +28,6 @@
 
 #include "CSSParserValues.h"
 #include "CSSValueList.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include <wtf/PassOwnPtr.h>
 #include <wtf/text/StringBuilder.h>
 
@@ -64,11 +63,4 @@ bool CSSFunctionValue::equals(const CSSFunctionValue& other) const
     return m_name == other.m_name && compareCSSValuePtr(m_args, other.m_args);
 }
 
-void CSSFunctionValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(m_name, "name");
-    info.addMember(m_args, "args");
-}
-
 }