[oilpan] Move IDBDatabase, IDBDatabaseCallbacks, IDBDatabaseBackendInterface and other related clas…

Source/modules/indexeddb/IDBDatabase.cpp

Index: Source/modules/indexeddb/IDBDatabase.cpp
diff --git a/Source/modules/indexeddb/IDBDatabase.cpp b/Source/modules/indexeddb/IDBDatabase.cpp
index 111ccdd9cce5eccf903648fd6b945e3cd1e4ed99..e48dcda862a34b78b73ef103163817d873bf3597 100644
--- a/Source/modules/indexeddb/IDBDatabase.cpp
+++ b/Source/modules/indexeddb/IDBDatabase.cpp
@@ -51,14 +51,14 @@ namespace WebCore {
 
 DEFINE_GC_INFO(IDBDatabase);
 
-PassRefPtr<IDBDatabase> IDBDatabase::create(ScriptExecutionContext* context, PassRefPtr<IDBDatabaseBackendInterface> database, PassRefPtr<IDBDatabaseCallbacks> callbacks)
+IDBDatabase* IDBDatabase::create(ScriptExecutionContext* context, IDBDatabaseBackendInterface* database, IDBDatabaseCallbacks* callbacks)
 {
-    RefPtr<IDBDatabase> idbDatabase(adoptRef(new IDBDatabase(context, database, callbacks)));
+    IDBDatabase* idbDatabase = new IDBDatabase(context, database, callbacks);
     idbDatabase->suspendIfNeeded();
-    return idbDatabase.release();
+    return idbDatabase;
 }
 
-IDBDatabase::IDBDatabase(ScriptExecutionContext* context, PassRefPtr<IDBDatabaseBackendInterface> backend, PassRefPtr<IDBDatabaseCallbacks> callbacks)
+IDBDatabase::IDBDatabase(ScriptExecutionContext* context, IDBDatabaseBackendInterface* backend, IDBDatabaseCallbacks* callbacks)
     : ActiveDOMObject(context)
     , m_backend(backend)
     , m_closePending(false)
@@ -398,4 +398,10 @@ EventTargetData* IDBDatabase::ensureEventTargetData()
     return &m_eventTargetData;
 }
 
+void IDBDatabase::trace(Visitor* visitor)
+{
+    visitor->trace(m_backend);
+    visitor->trace(m_databaseCallbacks);
+}
+
 } // namespace WebCore