Introducing ClipboardEvent Constructor

Source/core/events/ClipboardEvent.h

Index: Source/core/events/ClipboardEvent.h
diff --git a/Source/core/events/ClipboardEvent.h b/Source/core/events/ClipboardEvent.h
index 76f7de2ac931df6e1d9257fb871d5d13c3d9fd3c..ff8b3b28796a8c0c23920dd77321e1c9dddf996a 100644
--- a/Source/core/events/ClipboardEvent.h
+++ b/Source/core/events/ClipboardEvent.h
@@ -25,6 +25,7 @@
 #define ClipboardEvent_h
 
 #include "core/clipboard/DataTransfer.h"
+#include "core/events/ClipboardEventInit.h"
 #include "core/events/Event.h"
 
 namespace blink {
@@ -43,6 +44,11 @@ public:
         return adoptRefWillBeNoop(new ClipboardEvent(type, canBubble, cancelable, dataTransfer));
     }
 
+    static PassRefPtrWillBeRawPtr<ClipboardEvent> create(const AtomicString& type, const ClipboardEventInit& initializer)
+    {
+        return adoptRefWillBeNoop(new ClipboardEvent(type, initializer));
+    }
+
     DataTransfer* clipboardData() const { return m_clipboardData.get(); }
 
     DECLARE_VIRTUAL_TRACE();
@@ -50,6 +56,7 @@ public:
 private:
     ClipboardEvent();
     ClipboardEvent(const AtomicString& type, bool canBubble, bool cancelable, DataTransfer* clipboardData);
+    ClipboardEvent(const AtomicString& type, const ClipboardEventInit&);
 
     virtual const AtomicString& interfaceName() const override;
     virtual bool isClipboardEvent() const override;