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

Source/core/html/shadow/ClearButtonElement.cpp

Index: Source/core/html/shadow/ClearButtonElement.cpp
diff --git a/Source/core/html/shadow/ClearButtonElement.cpp b/Source/core/html/shadow/ClearButtonElement.cpp
index 97ccd404f1beaae43391a86ff2038792c67cfbe6..2a1dfa521653da074d18641425854d8dfc2fe820 100644
--- a/Source/core/html/shadow/ClearButtonElement.cpp
+++ b/Source/core/html/shadow/ClearButtonElement.cpp
@@ -50,13 +50,13 @@ PassRefPtr<ClearButtonElement> ClearButtonElement::create(Document* document, Cl
     return adoptRef(new ClearButtonElement(document, clearButtonOwner));
 }
 
-void ClearButtonElement::detach()
+void ClearButtonElement::detach(const AttachContext& context)
 {
     if (m_capturing) {
         if (Frame* frame = document()->frame())
             frame->eventHandler()->setCapturingMouseEventsNode(0);
     }
-    HTMLDivElement::detach();
+    HTMLDivElement::detach(context);
 }
 
 void ClearButtonElement::releaseCapture()