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..8d04ab4d4b275e955a410eae6828c663169dbdbf 100644
--- a/Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp
+++ b/Source/modules/indexeddb/WorkerGlobalScopeIndexedDatabase.cpp
@@ -53,7 +53,7 @@ WorkerGlobalScopeIndexedDatabase& WorkerGlobalScopeIndexedDatabase::from(WorkerS
     WorkerGlobalScopeIndexedDatabase* supplement = static_cast<WorkerGlobalScopeIndexedDatabase*>(WorkerSupplement::from(context, supplementName()));
     if (!supplement) {
         supplement = new WorkerGlobalScopeIndexedDatabase();
-        provideTo(context, supplementName(), adoptPtr(supplement));
+        provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
@@ -72,4 +72,8 @@ IDBFactory* WorkerGlobalScopeIndexedDatabase::indexedDB()
     return m_idbFactory.get();
 }
 
+void WorkerGlobalScopeIndexedDatabase::trace(Visitor* visitor)
+{
+}
+
 } // namespace WebCore