Move serviceworker/ module to oilpan

Source/modules/serviceworkers/WaitUntilObserver.h

Index: Source/modules/serviceworkers/WaitUntilObserver.h
diff --git a/Source/modules/serviceworkers/WaitUntilObserver.h b/Source/modules/serviceworkers/WaitUntilObserver.h
index c5f537a7215ddfed8fea894dca9f8eb22a2a4cb4..1a139aaa08e0fdfae5e029f5b334609b4a4e4a89 100644
--- a/Source/modules/serviceworkers/WaitUntilObserver.h
+++ b/Source/modules/serviceworkers/WaitUntilObserver.h
@@ -6,6 +6,7 @@
 #define WaitUntilObserver_h
 
 #include "core/dom/ContextLifecycleObserver.h"
+#include "heap/Handle.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
 #include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
@@ -17,10 +18,11 @@ class ScriptValue;
 
 // Created for each InstallPhaseEvent instance.
 class WaitUntilObserver FINAL :
-    public ContextLifecycleObserver,
-    public RefCounted<WaitUntilObserver> {
+    public RefCountedWillBeGarbageCollectedFinalized<WaitUntilObserver>,
+    public ContextLifecycleObserver {
+    DECLARE_GC_INFO;
 public:
-    static PassRefPtr<WaitUntilObserver> create(ExecutionContext*, int eventID);
+    static PassRefPtrWillBeRawPtr<WaitUntilObserver> create(ExecutionContext*, int eventID);
 
     ~WaitUntilObserver();
 
@@ -32,6 +34,8 @@ public:
     // the given promise is resolved or rejected.
     void waitUntil(const ScriptValue&);
 
+    void trace(Visitor*) { }
+
 private:
     class ThenFunction;