Remove form control related virtual methods from Element

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index e3199112cca649bf8ae7e40a0ba871602fad2a2f..0fe2318c1b73895f454e652e68708deb71168f85 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -3362,10 +3362,6 @@ bool Document::setFocusedElement(PassRefPtr<Element> prpNewFocusedElement, Focus
 
         oldFocusedElement->setFocus(false);
 
-        // Dispatch a change event for text fields or textareas that have been edited
-        if (oldFocusedElement->wasChangedSinceLastFormControlChangeEvent())
-            oldFocusedElement->dispatchFormControlChangeEvent();
-
         // Dispatch the blur event and let the node do any other blur related activities (important for text fields)
         // If page lost focus, blur event will have already been dispatched
         if (page() && (page()->focusController().isFocused())) {