Add Dispatcher class to the Battery Status API module.

Source/modules/battery/BatteryStatus.h

Index: Source/modules/battery/BatteryStatus.h
diff --git a/Source/modules/battery/BatteryStatus.h b/Source/modules/battery/BatteryStatus.h
index c1a0ed7437baa3b2c50e5ce48a47699daf46a25f..5557bc97650a301ac3ded0a2302f5d9de646f18e 100644
--- a/Source/modules/battery/BatteryStatus.h
+++ b/Source/modules/battery/BatteryStatus.h
@@ -5,15 +5,15 @@
 #ifndef BatteryStatus_h
 #define BatteryStatus_h
 
-#include "wtf/PassOwnPtr.h"
+#include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class BatteryStatus {
+class BatteryStatus : public RefCounted<BatteryStatus> {
 public:
-    static PassOwnPtr<BatteryStatus> create();
-    static PassOwnPtr<BatteryStatus> create(bool charging, double chargingTime, double dischargingTime, double level);
+    static PassRefPtr<BatteryStatus> create();
+    static PassRefPtr<BatteryStatus> create(bool charging, double chargingTime, double dischargingTime, double level);
 
     bool charging() const { return m_charging; }
     double chargingTime() const  { return m_chargingTime; }