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

Source/core/dom/Element.h

Index: Source/core/dom/Element.h
diff --git a/Source/core/dom/Element.h b/Source/core/dom/Element.h
index 669782c80666d1af6bab2611fa6110d12113782c..fc9b40b81dce4b41dd5b566d32f1f937cab32fc2 100644
--- a/Source/core/dom/Element.h
+++ b/Source/core/dom/Element.h
@@ -406,8 +406,8 @@ public:
 
     virtual void copyNonAttributePropertiesFromElement(const Element&) { }
 
-    virtual void attach();
-    virtual void detach();
+    virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
+    virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
     virtual bool rendererIsNeeded(const NodeRenderingContext&);
     void recalcStyle(StyleChange = NoChange, int childIndex = 0);
@@ -715,7 +715,7 @@ private:
     void detachAttrNodeFromElementWithValue(Attr*, const AtomicString& value);
     void detachAttrNodeAtIndex(Attr*, size_t index);
 
-    void createRendererIfNeeded();
+    void createRendererIfNeeded(const AttachContext&);
 
     bool isJavaScriptURLAttribute(const Attribute&) const;