:hover style not applied on hover if its display property is different from original style's

Source/core/html/shadow/TextFieldDecorationElement.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 62 matching lines @@
     void decorate(HTMLInputElement*, bool visible);
 
     virtual bool willRespondToMouseMoveEvents() OVERRIDE;
     virtual bool willRespondToMouseClickEvents() OVERRIDE;
 
 private:
     TextFieldDecorationElement(Document*, TextFieldDecorator*);
     virtual bool isTextFieldDecoration() const OVERRIDE;
     virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE;
     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) OVERRIDE;
-    virtual void attach() OVERRIDE;
-    virtual void detach() OVERRIDE;
+    virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
+    virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
     virtual bool isMouseFocusable() const OVERRIDE;
     virtual void defaultEventHandler(Event*) OVERRIDE;
 
     HTMLInputElement* hostInput();
     void updateImage();
 
     TextFieldDecorator* m_textFieldDecorator;
     bool m_isInHoverState;
 };
 
 inline TextFieldDecorationElement* toTextFieldDecorationElement(Node* node)
 {
     ASSERT(node);
     ASSERT_WITH_SECURITY_IMPLICATION(node->isElementNode());
     ASSERT_WITH_SECURITY_IMPLICATION(toElement(node)->isTextFieldDecoration());
     return static_cast<TextFieldDecorationElement*>(node);
 }
 
 }
 #endif