Revert 146672 "Add client callbacks to notify of changes of asso..."

Source/WebCore/dom/Document.h

Index: Source/WebCore/dom/Document.h
===================================================================
--- Source/WebCore/dom/Document.h	(revision 146918)
+++ Source/WebCore/dom/Document.h	(working copy)
@@ -52,7 +52,6 @@
 #include "ViewportArguments.h"
 #include <wtf/Deque.h>
 #include <wtf/FixedArray.h>
-#include <wtf/HashSet.h>
 #include <wtf/OwnPtr.h>
 #include <wtf/PassOwnPtr.h>
 #include <wtf/PassRefPtr.h>
@@ -1210,8 +1209,6 @@
     Document* templateDocumentHost() { return m_templateDocumentHost; }
 #endif
 
-    void didAssociateFormControl(Element*);
-
     virtual void addConsoleMessage(MessageSource, MessageLevel, const String& message, unsigned long requestIdentifier = 0);
 
     virtual const SecurityOrigin* topOrigin() const OVERRIDE;
@@ -1300,8 +1297,6 @@
     void addListenerType(ListenerType listenerType) { m_listenerTypes |= listenerType; }
     void addMutationEventListenerTypeIfEnabled(ListenerType);
 
-    void didAssociateFormControlsTimerFired(Timer<Document>*);
-
     void styleResolverThrowawayTimerFired(Timer<Document>*);
     Timer<Document> m_styleResolverThrowawayTimer;
     double m_lastStyleResolverAccessTime;
@@ -1597,10 +1592,6 @@
 #if ENABLE(FONT_LOAD_EVENTS)
     RefPtr<FontLoader> m_fontloader;
 #endif
-
-    Timer<Document> m_didAssociateFormControlsTimer;
-    HashSet<Element*> m_associatedFormControls;
-
 };
 
 inline void Document::notifyRemovePendingSheetIfNeeded()