remove memoryinstrumentation

Source/core/css/PropertySetCSSStyleDeclaration.h

Index: Source/core/css/PropertySetCSSStyleDeclaration.h
diff --git a/Source/core/css/PropertySetCSSStyleDeclaration.h b/Source/core/css/PropertySetCSSStyleDeclaration.h
index ea522ffa448f8445321e5d601e3cd67b84009162..df190acdc30c5b0b7c8e9918e03bee1052afe452 100644
--- a/Source/core/css/PropertySetCSSStyleDeclaration.h
+++ b/Source/core/css/PropertySetCSSStyleDeclaration.h
@@ -27,6 +27,7 @@
 #define PropertySetCSSStyleDeclaration_h
 
 #include "CSSStyleDeclaration.h"
+#include <wtf/OwnPtr.h>
 #include <wtf/HashMap.h>
 
 namespace WebCore {
@@ -49,8 +50,6 @@ public:
     virtual void ref() OVERRIDE;
     virtual void deref() OVERRIDE;
 
-    virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
-
 private:
     virtual CSSRule* parentRule() const OVERRIDE { return 0; };
     virtual unsigned length() const OVERRIDE;
@@ -98,8 +97,6 @@ public:
 
     void reattach(StylePropertySet*);
 
-    virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
-
 private:
     StyleRuleCSSStyleDeclaration(StylePropertySet*, CSSRule*);
     virtual ~StyleRuleCSSStyleDeclaration();
@@ -123,8 +120,6 @@ public:
         , m_parentElement(parentElement) 
     {
     }
-
-    virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
     
 private:
     virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE;