Oilpan: move WorkerGlobalScope to oilpan's heap.

Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp

Index: Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp
diff --git a/Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp b/Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp
index 51ae8f8779f19f92192123c71768e9982d718324..d735b6e4d6b3ad5669245a81811f99602f1cc56f 100644
--- a/Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp
+++ b/Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp
@@ -48,17 +48,17 @@ const char* WorkerGlobalScopeIndexedDatabase::supplementName()
     return "WorkerGlobalScopeIndexedDatabase";
 }
 
-WorkerGlobalScopeIndexedDatabase& WorkerGlobalScopeIndexedDatabase::from(WorkerSupplementable& context)
+WorkerGlobalScopeIndexedDatabase& WorkerGlobalScopeIndexedDatabase::from(WillBeHeapSupplementable<WorkerGlobalScope>& context)
 {
-    WorkerGlobalScopeIndexedDatabase* supplement = static_cast<WorkerGlobalScopeIndexedDatabase*>(WorkerSupplement::from(context, supplementName()));
+    WorkerGlobalScopeIndexedDatabase* supplement = static_cast<WorkerGlobalScopeIndexedDatabase*>(WillBeHeapSupplement<WorkerGlobalScope>::from(context, supplementName()));
     if (!supplement) {
         supplement = new WorkerGlobalScopeIndexedDatabase();
-        provideTo(context, supplementName(), adoptPtr(supplement));
+        provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
 
-IDBFactory* WorkerGlobalScopeIndexedDatabase::indexedDB(WorkerSupplementable& context)
+IDBFactory* WorkerGlobalScopeIndexedDatabase::indexedDB(WillBeHeapSupplementable<WorkerGlobalScope>& context)
 {
     return from(context).indexedDB();
 }
@@ -72,4 +72,8 @@ IDBFactory* WorkerGlobalScopeIndexedDatabase::indexedDB()
     return m_idbFactory.get();
 }
 
+void WorkerGlobalScopeIndexedDatabase::trace(Visitor*)
+{
+}
+
 } // namespace WebCore