remove memoryinstrumentation

Source/core/css/CSSFontFaceRule.cpp

Index: Source/core/css/CSSFontFaceRule.cpp
diff --git a/Source/core/css/CSSFontFaceRule.cpp b/Source/core/css/CSSFontFaceRule.cpp
index 061c3c5d266bf3c0288a16e3b3a8714e82504ba6..1dbb50b80a38b4e376dc5aefbf34c5277d552053 100644
--- a/Source/core/css/CSSFontFaceRule.cpp
+++ b/Source/core/css/CSSFontFaceRule.cpp
@@ -25,7 +25,6 @@
 #include "PropertySetCSSStyleDeclaration.h"
 #include "StylePropertySet.h"
 #include "StyleRule.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include <wtf/text/StringBuilder.h>
 
 namespace WebCore {
@@ -70,12 +69,4 @@ void CSSFontFaceRule::reattach(StyleRuleBase* rule)
         m_propertiesCSSOMWrapper->reattach(m_fontFaceRule->mutableProperties());
 }
 
-void CSSFontFaceRule::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    CSSRule::reportMemoryUsage(memoryObjectInfo);
-    info.addMember(m_fontFaceRule, "fontFaceRule");
-    info.addMember(m_propertiesCSSOMWrapper, "propertiesCSSOMWrapper");
-}
-
 } // namespace WebCore