remove memoryinstrumentation

Source/core/css/StyleRuleImport.cpp

Index: Source/core/css/StyleRuleImport.cpp
diff --git a/Source/core/css/StyleRuleImport.cpp b/Source/core/css/StyleRuleImport.cpp
index 108599ac0aa95f5a9ead5040720de25df05874e6..a541ebd8f5cb433a10da0987b8f86f4b8b00b656 100644
--- a/Source/core/css/StyleRuleImport.cpp
+++ b/Source/core/css/StyleRuleImport.cpp
@@ -134,12 +134,4 @@ void StyleRuleImport::requestStyleSheet()
     }
 }
 
-void StyleRuleImport::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
-    info.addMember(m_strHref, "strHref");
-    info.addMember(m_mediaQueries, "mediaQueries");
-    info.addMember(m_styleSheet, "styleSheet");
-}
-
 } // namespace WebCore