Oilpan: Move database closing task in ~DatabaseBackendSync to a pre-finalization hook with HeapHash…

Source/modules/webdatabase/DatabaseBackendSync.cpp

Index: Source/modules/webdatabase/DatabaseBackendSync.cpp
diff --git a/Source/modules/webdatabase/DatabaseBackendSync.cpp b/Source/modules/webdatabase/DatabaseBackendSync.cpp
index ceedfa69f31cc907daf30739c6410a75366c25ca..0e9c8ee211ecc1dddf1bd638746035f5ac043f28 100644
--- a/Source/modules/webdatabase/DatabaseBackendSync.cpp
+++ b/Source/modules/webdatabase/DatabaseBackendSync.cpp
@@ -38,6 +38,7 @@ DatabaseBackendSync::DatabaseBackendSync(DatabaseContext* databaseContext, const
 
 DatabaseBackendSync::~DatabaseBackendSync()
 {
+#if !ENABLE(OILPAN)
     // SQLite is "multi-thread safe", but each database handle can only be used
     // on a single thread at a time.
     //
@@ -48,6 +49,8 @@ DatabaseBackendSync::~DatabaseBackendSync()
         ASSERT(m_databaseContext->isContextThread());
         closeDatabase();
     }
+#endif
+    ASSERT(!opened());
 }
 
 void DatabaseBackendSync::trace(Visitor* visitor)