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

Source/core/html/HTMLPlugInElement.cpp

Index: Source/core/html/HTMLPlugInElement.cpp
diff --git a/Source/core/html/HTMLPlugInElement.cpp b/Source/core/html/HTMLPlugInElement.cpp
index 0bb097b5b6cac92deb5ec77a20d6ba95e273dc98..835ef8538466e1b60a2487a669b49d285f47e189 100644
--- a/Source/core/html/HTMLPlugInElement.cpp
+++ b/Source/core/html/HTMLPlugInElement.cpp
@@ -79,7 +79,7 @@ bool HTMLPlugInElement::willRespondToMouseClickEvents()
     return true;
 }
 
-void HTMLPlugInElement::detach()
+void HTMLPlugInElement::detach(const AttachContext& context)
 {
     m_instance.clear();
 
@@ -94,7 +94,7 @@ void HTMLPlugInElement::detach()
         m_NPObject = 0;
     }
 
-    HTMLFrameOwnerElement::detach();
+    HTMLFrameOwnerElement::detach(context);
 }
 
 void HTMLPlugInElement::resetInstance()