1 files changed, 7 insertions, 1 deletions
diff --git a/Source/WebCore/dom/DeviceOrientationController.h b/Source/WebCore/dom/DeviceOrientationController.h
index 1b87998d9..d8efaca39 100644
--- a/Source/WebCore/dom/DeviceOrientationController.h
+++ b/Source/WebCore/dom/DeviceOrientationController.h
@@ -27,6 +27,7 @@
 #define DeviceOrientationController_h
 
 #include "DOMWindow.h"
+#include "PageSupplement.h"
 #include "Timer.h"
 
 #include <wtf/HashCountedSet.h>
@@ -37,7 +38,7 @@ class DeviceOrientation;
 class DeviceOrientationClient;
 class Page;
 
-class DeviceOrientationController {
+class DeviceOrientationController : public PageSupplement {
 public:
     ~DeviceOrientationController();
 
@@ -56,6 +57,11 @@ public:
 
     DeviceOrientationClient* client() const { return m_client; }
 
+    static const AtomicString& supplementName();
+    static DeviceOrientationController* from(Frame* frame) { return static_cast<DeviceOrientationController*>(PageSupplement::from(frame, supplementName())); }
+    static DeviceOrientationController* from(Page* page) { return static_cast<DeviceOrientationController*>(PageSupplement::from(page, supplementName())); }
+    static bool isActiveAt(Page*);
+
 private:
     DeviceOrientationController(Page*, DeviceOrientationClient*);