Oilpan: have Navigator and its supplements be on the heap by default.

Source/modules/battery/NavigatorBattery.h

Index: Source/modules/battery/NavigatorBattery.h
diff --git a/Source/modules/battery/NavigatorBattery.h b/Source/modules/battery/NavigatorBattery.h
index 13aaaf3b05b0785a28d8d77ddc446accceeee5d7..3539751ad1857dc9f6b047188387bf585be6470d 100644
--- a/Source/modules/battery/NavigatorBattery.h
+++ b/Source/modules/battery/NavigatorBattery.h
@@ -15,11 +15,9 @@ namespace blink {
 class BatteryManager;
 class Navigator;
 
-class NavigatorBattery final : public NoBaseWillBeGarbageCollectedFinalized<NavigatorBattery>, public WillBeHeapSupplement<Navigator> {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorBattery);
+class NavigatorBattery final : public GarbageCollected<NavigatorBattery>, public HeapSupplement<Navigator> {
+    USING_GARBAGE_COLLECTED_MIXIN(NavigatorBattery);
 public:
-    virtual ~NavigatorBattery();
-
     static NavigatorBattery& from(Navigator&);
 
     static ScriptPromise getBattery(ScriptState*, Navigator&);
@@ -31,7 +29,7 @@ private:
     NavigatorBattery();
     static const char* supplementName();
 
-    PersistentWillBeMember<BatteryManager> m_batteryManager;
+    Member<BatteryManager> m_batteryManager;
 };
 
 } // namespace blink