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

Source/core/html/HTMLInputElement.h

Index: Source/core/html/HTMLInputElement.h
diff --git a/Source/core/html/HTMLInputElement.h b/Source/core/html/HTMLInputElement.h
index d62527c29fb4175ebf4cd99bfadf59a384ab8ca2..88b65ec4a7dba2c31608f83619cb3dee9ce97459 100644
--- a/Source/core/html/HTMLInputElement.h
+++ b/Source/core/html/HTMLInputElement.h
@@ -189,7 +189,7 @@ public:
 
     virtual bool rendererIsNeeded(const NodeRenderingContext&);
     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
-    virtual void detach();
+    virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
 
     // FIXME: For isActivatedSubmit and setActivatedSubmit, we should use the NVI-idiom here by making
     // it private virtual in all classes and expose a public method in HTMLFormControlElement to call
@@ -344,7 +344,7 @@ private:
 
     virtual void copyNonAttributePropertiesFromElement(const Element&);
 
-    virtual void attach();
+    virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
 
     virtual bool appendFormData(FormDataList&, bool);