Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/EventModulesFactory.h

Index: third_party/WebKit/Source/modules/EventModulesFactory.h
diff --git a/third_party/WebKit/Source/modules/EventModulesFactory.h b/third_party/WebKit/Source/modules/EventModulesFactory.h
index cf5aa10bc023cbd1356a6e83c7cec8d5cb43fbf0..e469121424777f10b33e08c921cc3335f8ea2d65 100644
--- a/third_party/WebKit/Source/modules/EventModulesFactory.h
+++ b/third_party/WebKit/Source/modules/EventModulesFactory.h
@@ -8,9 +8,7 @@
 #include "core/events/EventFactory.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/PtrUtil.h"
 #include "wtf/text/AtomicString.h"
-#include <memory>
 
 namespace blink {
 
@@ -18,9 +16,9 @@ class Event;
 
 class EventModulesFactory final : public EventFactoryBase {
 public:
-    static std::unique_ptr<EventModulesFactory> create()
+    static PassOwnPtr<EventModulesFactory> create()
     {
-        return wrapUnique(new EventModulesFactory());
+        return adoptPtr(new EventModulesFactory());
     }
 
     Event* create(ExecutionContext*, const String& eventType) override;