Oilpan: add transition types to Navigator and its supplements.

Source/modules/donottrack/NavigatorDoNotTrack.h

Index: Source/modules/donottrack/NavigatorDoNotTrack.h
diff --git a/Source/modules/donottrack/NavigatorDoNotTrack.h b/Source/modules/donottrack/NavigatorDoNotTrack.h
index 663811141bbd845e5ab3b24f6b069c6150ae05de..46f75c2ea5ee0337f1b9e7a92b8f29ddb0d80686 100644
--- a/Source/modules/donottrack/NavigatorDoNotTrack.h
+++ b/Source/modules/donottrack/NavigatorDoNotTrack.h
@@ -32,6 +32,7 @@
 #define NavigatorDoNotTrack_h
 
 #include "core/frame/DOMWindowProperty.h"
+#include "heap/Handle.h"
 #include "platform/Supplementable.h"
 #include "wtf/text/WTFString.h"
 
@@ -40,7 +41,8 @@ namespace WebCore {
 class LocalFrame;
 class Navigator;
 
-class NavigatorDoNotTrack FINAL : public Supplement<Navigator>, public DOMWindowProperty {
+class NavigatorDoNotTrack FINAL : public NoBaseWillBeGarbageCollectedFinalized<NavigatorDoNotTrack>, public WillBeHeapSupplement<Navigator>, public DOMWindowProperty {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorDoNotTrack);
 public:
     virtual ~NavigatorDoNotTrack();
     static NavigatorDoNotTrack& from(Navigator&);
@@ -49,6 +51,8 @@ public:
 
     String doNotTrack();
 
+    void trace(Visitor*) { }
+
 private:
     explicit NavigatorDoNotTrack(LocalFrame*);
     static const char* supplementName();