Oilpan: move WorkerGlobalScope to oilpan's heap.

Source/heap/Handle.h

Index: Source/heap/Handle.h
diff --git a/Source/heap/Handle.h b/Source/heap/Handle.h
index d4ef8f136401f67d5e8737fc7e0ea2fa51491f74..317ca3ff41a303d42780311c72c6d30fe13b74bc 100644
--- a/Source/heap/Handle.h
+++ b/Source/heap/Handle.h
@@ -632,6 +632,8 @@ template<typename T, typename U> inline bool operator!=(const Persistent<T>& a,
 #define WillBeHeapVector WebCore::HeapVector
 #define WillBePersistentHeapVector WebCore::PersistentHeapVector
 #define WillBeGarbageCollectedMixin WebCore::GarbageCollectedMixin
+#define WillBeHeapSupplement WebCore::HeapSupplement
+#define WillBeHeapSupplementable WebCore::HeapSupplementable
 
 template<typename T> PassRefPtrWillBeRawPtr<T> adoptRefWillBeNoop(T* ptr)
 {
@@ -691,6 +693,8 @@ public:
 #define WillBeHeapVector WTF::Vector
 #define WillBePersistentHeapVector WTF::Vector
 #define WillBeGarbageCollectedMixin WebCore::DummyBase<void>
+#define WillBeHeapSupplement WebCore::Supplement
+#define WillBeHeapSupplementable WebCore::Supplementable
 
 template<typename T> PassRefPtrWillBeRawPtr<T> adoptRefWillBeNoop(T* ptr) { return adoptRef(ptr); }
 template<typename T> PassRefPtrWillBeRawPtr<T> adoptRefWillBeRefCountedGarbageCollected(T* ptr) { return adoptRef(ptr); }