remove memoryinstrumentation

Source/core/html/HTMLTextFormControlElement.cpp

Index: Source/core/html/HTMLTextFormControlElement.cpp
diff --git a/Source/core/html/HTMLTextFormControlElement.cpp b/Source/core/html/HTMLTextFormControlElement.cpp
index 460b36e469eb9a1c6192388e9c7ab990ac8611f5..4cafe0f8bf6c462d4adb9068f3059d41450b7021 100644
--- a/Source/core/html/HTMLTextFormControlElement.cpp
+++ b/Source/core/html/HTMLTextFormControlElement.cpp
@@ -683,11 +683,4 @@ String HTMLTextFormControlElement::directionForFormData() const
     return "ltr";
 }
 
-void HTMLTextFormControlElement::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
-    HTMLFormControlElementWithState::reportMemoryUsage(memoryObjectInfo);
-    info.addMember(m_textAsOfLastFormControlChangeEvent, "textAsOfLastFormControlChangeEvent");
-}
-
 } // namespace Webcore