1 files changed, 3 insertions, 5 deletions
diff --git a/Source/WebCore/dom/DeviceOrientationClient.h b/Source/WebCore/dom/DeviceOrientationClient.h
index 5b5d1768b..37763633b 100644
--- a/Source/WebCore/dom/DeviceOrientationClient.h
+++ b/Source/WebCore/dom/DeviceOrientationClient.h
@@ -24,10 +24,10 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef DeviceOrientationClient_h
-#define DeviceOrientationClient_h
+#pragma once
 
 #include "DeviceClient.h"
+#include "PlatformExportMacros.h"
 #include <wtf/Noncopyable.h>
 
 namespace WebCore {
@@ -46,8 +46,6 @@ public:
     virtual void deviceOrientationControllerDestroyed() = 0;
 };
 
-void provideDeviceOrientationTo(Page*, DeviceOrientationClient*);
+WEBCORE_EXPORT void provideDeviceOrientationTo(Page*, DeviceOrientationClient*);
 
 } // namespace WebCore
-
-#endif // DeviceOrientationClient_h