CallbackPromiseAdapter types should be more compatible with WebCallbacks (1/3).

Source/modules/geofencing/GeofencingError.h

Index: Source/modules/geofencing/GeofencingError.h
diff --git a/Source/modules/geofencing/GeofencingError.h b/Source/modules/geofencing/GeofencingError.h
index a227b404f16dc5991e582ddccd5a20487302fad6..d64aa02fbb019747e143a05630ed101e2c194c25 100644
--- a/Source/modules/geofencing/GeofencingError.h
+++ b/Source/modules/geofencing/GeofencingError.h
@@ -7,6 +7,7 @@
 
 #include "platform/heap/Handle.h"
 #include "public/platform/WebGeofencingError.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
@@ -18,8 +19,8 @@ class GeofencingError {
     WTF_MAKE_NONCOPYABLE(GeofencingError);
 public:
     // For CallbackPromiseAdapter.
-    typedef WebGeofencingError WebType;
-    static DOMException* take(ScriptPromiseResolver*, PassOwnPtr<WebType> webError);
+    using WebType = OwnPtr<WebGeofencingError>;
+    static DOMException* take(ScriptPromiseResolver*, PassOwnPtr<WebGeofencingError> webError);
 
 private:
     GeofencingError() = delete;