Oilpan: add transition types to Navigator and its supplements.

Source/modules/battery/BatteryManager.h

Index: Source/modules/battery/BatteryManager.h
diff --git a/Source/modules/battery/BatteryManager.h b/Source/modules/battery/BatteryManager.h
index 8e587d86a417eaddcdb51bbe5543ed9372f8c700..4df04971940bb785332356180875e59d4c6b5e2f 100644
--- a/Source/modules/battery/BatteryManager.h
+++ b/Source/modules/battery/BatteryManager.h
@@ -8,17 +8,18 @@
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/Document.h"
 #include "core/events/EventTarget.h"
+#include "heap/Handle.h"
 #include "modules/battery/BatteryStatus.h"
 
 namespace WebCore {
 
 class Navigator;
 
-class BatteryManager FINAL : public ContextLifecycleObserver, public RefCounted<BatteryManager>, public EventTargetWithInlineData {
-    REFCOUNTED_EVENT_TARGET(BatteryManager);
+class BatteryManager FINAL : public RefCountedWillBeRefCountedGarbageCollected<BatteryManager>, public ContextLifecycleObserver, public EventTargetWithInlineData {
+    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<BatteryManager>);
 public:
     virtual ~BatteryManager();
-    static PassRefPtr<BatteryManager> create(ExecutionContext*);
+    static PassRefPtrWillBeRawPtr<BatteryManager> create(ExecutionContext*);
 
     // EventTarget implementation.
     virtual const WTF::AtomicString& interfaceName() const OVERRIDE { return EventTargetNames::BatteryManager; }
@@ -36,6 +37,8 @@ public:
 
     void didChangeBatteryStatus(PassRefPtr<Event>, PassOwnPtr<BatteryStatus>);
 
+    void trace(Visitor*) { }
+
 private:
     explicit BatteryManager(ExecutionContext*);