remove memoryinstrumentation

Source/core/html/HTMLFormControlElement.cpp

Index: Source/core/html/HTMLFormControlElement.cpp
diff --git a/Source/core/html/HTMLFormControlElement.cpp b/Source/core/html/HTMLFormControlElement.cpp
index 51b7538cad5e125f17ebe9a8eb1c2e7d6d8ee0a7..26045c032b35ab4df31378f7b62677626422a49b 100644
--- a/Source/core/html/HTMLFormControlElement.cpp
+++ b/Source/core/html/HTMLFormControlElement.cpp
@@ -482,11 +482,4 @@ HTMLFormControlElement* HTMLFormControlElement::enclosingFormControlElement(Node
     return 0;
 }
 
-void HTMLFormControlElement::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
-    LabelableElement::reportMemoryUsage(memoryObjectInfo);
-    info.addMember(m_validationMessage, "validationMessage");
-}
-
 } // namespace Webcore